Gears, Pulleys, Sprockets, and Transmission Chain

Gears, Pulleys, Sprockets, and Transmission Chain

Includes: Includes Power Transmission Chain; Matched Gear Sets.


Excludes: Excludes Reduction Gears (FSC 3010).

Stock Items with Pictures

  

Stock Items From Supply Class 3020 codified by United States (US) starting at NIIN 000000000

NSNNameStatus
3020-00-000-0091
3020-00-001-0027
3020-00-001-0028
3020-00-001-0063
3020-00-001-0064
3020-00-001-0066
3020-00-001-0071
3020-00-001-0072
3020-00-001-0087
3020-00-001-0099
3020-00-001-1225
3020-00-001-1226
3020-00-001-1231
3020-00-001-1233
3020-00-001-1294
3020-00-001-1702
3020-00-001-1707
3020-00-001-1914
3020-00-001-2062
3020-00-001-2063
3020-00-001-2065
3020-00-001-2066
3020-00-001-2068
3020-00-001-2076
3020-00-001-2078
3020-00-001-2080
3020-00-001-2081
3020-00-001-2082
3020-00-001-2083
3020-00-001-2085
3020-00-001-2086
3020-00-001-2088
3020-00-001-2089
3020-00-001-2090
3020-00-001-3374
3020-00-001-3375
3020-00-001-3389
3020-00-001-3394
3020-00-001-3395
3020-00-001-3396
3020-00-001-3398
3020-00-001-3420
3020-00-001-3565
3020-00-001-3566
3020-00-001-3647
3020-00-001-3665
3020-00-001-3666
3020-00-001-3667
3020-00-001-3668
3020-00-001-3909
3020-00-001-3910
3020-00-001-3967
3020-00-001-4455
3020-00-001-4459
3020-00-001-4462
3020-00-001-4463
3020-00-001-4465
3020-00-001-4468
3020-00-001-4644
3020-00-001-5204
3020-00-001-5205
3020-00-001-5208
3020-00-001-6137
3020-00-001-6138
3020-00-001-6160
3020-00-001-6166
3020-00-001-6167
3020-00-001-6171
3020-00-001-6178
3020-00-001-6213
3020-00-001-6214
3020-00-001-6215
3020-00-001-6216
3020-00-001-6492
3020-00-001-6495
3020-00-001-6551
3020-00-001-6557
3020-00-001-6558
3020-00-001-6562
3020-00-001-6565
3020-00-001-6776
3020-00-001-6777
3020-00-001-6778
3020-00-001-6779
3020-00-001-6781
3020-00-001-6782
3020-00-001-6800
3020-00-001-6804
3020-00-001-7729
3020-00-001-7747
3020-00-001-7756
3020-00-001-7764
3020-00-001-7908
3020-00-001-7909
3020-00-001-7910
3020-00-001-7911
3020-00-001-7912
3020-00-001-7913
3020-00-001-7914
3020-00-001-7915
3020-00-001-8087
3020-00-001-8974
3020-00-001-8991
3020-00-001-9000
3020-00-001-9083
3020-00-001-9084
3020-00-001-9216
3020-00-001-9217
3020-00-001-9556
3020-00-001-9960
3020-00-002-0872
3020-00-002-6269
3020-00-003-0002
3020-00-003-0006
3020-00-003-0994
3020-00-003-1040
3020-00-003-1041
3020-00-003-1042
3020-00-003-1354
3020-00-003-1355
3020-00-003-2797
3020-00-003-2922
3020-00-003-2923
3020-00-003-3089
3020-00-003-3090
3020-00-003-3091
3020-00-003-3480
3020-00-003-4756
3020-00-003-5178
3020-00-003-5218
3020-00-003-5219
3020-00-003-5329
3020-00-003-5564
3020-00-003-5637
3020-00-003-5922
3020-00-003-6201
3020-00-003-6296
3020-00-003-6298
3020-00-003-7088
3020-00-003-7827
3020-00-003-7985
3020-00-004-0736
3020-00-004-0741
3020-00-004-1165
3020-00-004-1339
3020-00-004-1369
3020-00-004-1370
3020-00-004-1375
3020-00-004-2246
3020-00-004-2255
3020-00-004-2264
3020-00-004-2265
3020-00-004-2266
3020-00-004-2267
3020-00-004-2269
3020-00-004-2270
3020-00-004-2702
3020-00-004-2785
3020-00-004-4063
3020-00-004-4249
3020-00-004-4250
3020-00-004-4264
3020-00-004-5273
3020-00-004-6403
3020-00-004-6457
3020-00-004-6466
3020-00-004-6469
3020-00-004-6470
3020-00-004-6485
3020-00-004-6486
3020-00-004-7382
3020-00-004-7807
3020-00-004-7808
3020-00-004-7810
3020-00-004-8093
3020-00-004-8095
3020-00-004-8161
3020-00-004-8162
3020-00-004-8163
3020-00-004-8166
3020-00-004-8188
3020-00-004-8193
3020-00-004-8245
3020-00-004-8280
3020-00-004-8281
3020-00-004-8476
3020-00-004-8477
3020-00-004-9543
3020-00-005-1130
3020-00-005-3415
3020-00-005-3416
3020-00-005-3442
3020-00-005-3443
3020-00-005-3445
3020-00-005-3446
3020-00-005-3492
3020-00-005-3493
3020-00-005-3499
3020-00-005-3500
3020-00-005-3521
3020-00-005-3522
3020-00-005-3523
3020-00-005-3524
3020-00-005-3525
3020-00-005-4158
3020-00-005-4226
3020-00-005-4886
3020-00-005-5002
3020-00-005-5003
3020-00-005-5004
3020-00-005-5014
3020-00-005-5017
3020-00-005-5408
3020-00-005-6439
3020-00-005-6445
3020-00-005-6446
3020-00-005-6447
3020-00-005-6448
3020-00-005-6449
3020-00-005-6450
3020-00-005-6451
3020-00-005-7194
3020-00-005-7207
3020-00-005-7298
3020-00-005-7332
3020-00-005-7334
3020-00-005-7343
3020-00-005-7461
3020-00-005-7500
3020-00-005-7501
3020-00-005-7502
3020-00-005-7503
3020-00-005-7620
3020-00-005-7634
3020-00-005-7635
3020-00-005-7636
3020-00-005-7637
3020-00-005-8485
3020-00-005-8583
3020-00-006-1609
3020-00-006-1626
3020-00-006-1627
3020-00-006-1628
3020-00-006-1639
3020-00-006-1642
3020-00-006-1643
3020-00-006-1644
3020-00-006-2242
3020-00-006-3648
3020-00-006-3661
3020-00-006-3968
3020-00-006-3999
3020-00-006-4009
3020-00-006-4109
3020-00-006-4216
3020-00-006-4263
3020-00-006-4319
3020-00-006-4355
3020-00-006-4359
3020-00-006-4360
3020-00-006-5088
3020-00-006-5089
3020-00-006-5090
3020-00-006-5091
3020-00-006-6094
3020-00-006-6101
3020-00-006-6116
3020-00-006-6163
3020-00-006-6185
3020-00-006-6304
3020-00-006-6476
3020-00-006-6478
3020-00-006-6725
3020-00-006-6726
3020-00-006-6727
3020-00-006-6728
3020-00-006-6729
3020-00-006-6730
3020-00-006-7462
3020-00-006-7463
3020-00-006-7465
3020-00-006-7467
3020-00-006-7546
3020-00-006-8348
3020-00-006-9354
3020-00-006-9355
3020-00-006-9356
3020-00-006-9547
3020-00-006-9552
3020-00-006-9557
3020-00-006-9558
3020-00-006-9559
3020-00-006-9574
3020-00-006-9752
3020-00-006-9945
3020-00-006-9970
3020-00-007-0419
3020-00-007-1150
3020-00-007-1152
3020-00-007-1409
3020-00-007-1437
3020-00-007-2125
3020-00-007-2190
3020-00-007-2204
3020-00-007-2205
3020-00-007-2215
3020-00-007-2216
3020-00-007-2217
3020-00-007-2218
3020-00-007-2222
3020-00-007-2231
3020-00-007-2242
3020-00-007-2281
3020-00-007-2282
3020-00-007-2283
3020-00-007-2286
3020-00-007-2365
3020-00-007-2776
3020-00-007-2777
3020-00-007-2778
3020-00-007-2779
3020-00-007-2780
3020-00-007-2781
3020-00-007-2782
3020-00-007-2783
3020-00-007-2784
3020-00-007-2787
3020-00-007-2790
3020-00-007-4023
3020-00-007-4304
3020-00-007-4305
3020-00-007-4397
3020-00-007-4582
3020-00-007-4594
3020-00-007-4617
3020-00-007-4631
3020-00-007-4632
3020-00-007-4633
3020-00-007-4634
3020-00-007-4635
3020-00-007-4637
3020-00-007-4638
3020-00-007-4659
3020-00-007-4660
3020-00-007-4661
3020-00-007-4662
3020-00-007-4663
3020-00-007-4664
3020-00-007-4665
3020-00-007-4673
3020-00-007-4674
3020-00-007-4688
3020-00-007-4689
3020-00-007-4724
3020-00-007-4726
3020-00-007-4783
3020-00-007-4825
3020-00-007-5315
3020-00-007-5316
3020-00-007-5317
3020-00-007-5585
3020-00-007-5598
3020-00-007-6448
3020-00-007-6449
3020-00-007-6450
3020-00-007-6451
3020-00-007-8111
3020-00-007-8411
3020-00-007-8841
3020-00-007-9281
3020-00-007-9282
3020-00-007-9413
3020-00-007-9414
3020-00-007-9415
3020-00-007-9416
3020-00-007-9417
3020-00-007-9418
3020-00-007-9419
3020-00-007-9427
3020-00-007-9428
3020-00-007-9430
3020-00-007-9983
3020-00-007-9984
3020-00-007-9985
3020-00-007-9986
3020-00-007-9987
3020-00-007-9988
3020-00-007-9989
3020-00-007-9991
3020-00-008-0778
3020-00-008-0784
3020-00-008-0787
3020-00-008-0887
3020-00-008-0888
3020-00-008-0890
3020-00-008-0893
3020-00-008-0895
3020-00-008-0896
3020-00-008-0897
3020-00-008-0898
3020-00-008-0899
3020-00-008-1219
3020-00-008-1220
3020-00-008-1221
3020-00-008-1223
3020-00-008-1224
3020-00-008-1252
3020-00-008-1354
3020-00-008-1682
3020-00-008-1687
3020-00-008-1688
3020-00-008-1689
3020-00-008-1690
3020-00-008-1691
3020-00-008-1692
3020-00-008-1702
3020-00-008-1710
3020-00-008-1711
3020-00-008-1712
3020-00-008-1719
3020-00-008-1720
3020-00-008-1721
3020-00-008-1722
3020-00-008-1723
3020-00-008-1929
3020-00-008-2251
3020-00-008-2252
3020-00-008-2253
3020-00-008-2254
3020-00-008-2255
3020-00-008-2256
3020-00-008-2257
3020-00-008-2759
3020-00-008-2760
3020-00-008-2764
3020-00-008-2765
3020-00-008-2766
3020-00-008-2862
3020-00-008-2935
3020-00-008-3119
3020-00-008-3145
3020-00-008-3150
3020-00-008-3153
3020-00-008-3154
3020-00-008-3155
3020-00-008-3156
3020-00-008-3157
3020-00-008-3158
3020-00-008-3159
3020-00-008-3742
3020-00-008-3743
3020-00-008-3744
3020-00-008-3745
3020-00-008-3746
3020-00-008-3747
3020-00-008-3748
3020-00-008-3749
3020-00-008-3750
3020-00-008-3751
3020-00-008-3752
3020-00-008-4658
3020-00-008-4665
3020-00-008-4817
3020-00-008-4845
3020-00-008-4998
3020-00-008-5269
3020-00-008-5270
3020-00-008-5272
3020-00-008-5273
3020-00-008-6098
3020-00-008-6099
3020-00-008-6116
3020-00-008-6117
3020-00-008-6118
3020-00-008-6119
3020-00-008-6120
3020-00-008-7180
3020-00-008-7233
3020-00-008-7283
3020-00-008-7340
3020-00-008-7412
3020-00-008-7797
3020-00-008-7798
3020-00-008-7799
3020-00-008-7800
3020-00-008-7941
3020-00-008-7942
3020-00-008-7943
3020-00-008-7944
3020-00-008-7945
3020-00-008-7967
3020-00-008-7968
3020-00-008-7969
3020-00-008-7970
3020-00-008-7971
3020-00-008-8766
3020-00-008-8767
3020-00-008-8803
3020-00-008-8804
3020-00-008-8860
3020-00-008-8901
NSNNameStatus
3020-00-008-8909
3020-00-008-8911
3020-00-008-8912
3020-00-008-9362
3020-00-008-9363
3020-00-008-9364
3020-00-008-9366
3020-00-008-9367
3020-00-008-9368
3020-00-008-9369
3020-00-008-9370
3020-00-008-9371
3020-00-008-9372
3020-00-008-9373
3020-00-008-9376
3020-00-008-9377
3020-00-008-9675
3020-00-008-9676
3020-00-009-0389
3020-00-009-0632
3020-00-009-0633
3020-00-009-0643
3020-00-009-1519
3020-00-009-1522
3020-00-009-1523
3020-00-009-1524
3020-00-009-1525
3020-00-009-1526
3020-00-009-1528
3020-00-009-1531
3020-00-009-1555
3020-00-009-1556
3020-00-009-1557
3020-00-009-1558
3020-00-009-1559
3020-00-009-1560
3020-00-009-2041
3020-00-009-2102
3020-00-009-2107
3020-00-009-2127
3020-00-009-2614
3020-00-009-2615
3020-00-009-2616
3020-00-009-2617
3020-00-009-2618
3020-00-009-2619
3020-00-009-2620
3020-00-009-2621
3020-00-009-2622
3020-00-009-2623
3020-00-009-2624
3020-00-009-2626
3020-00-009-2635
3020-00-009-2636
3020-00-009-2637
3020-00-009-2638
3020-00-009-2639
3020-00-009-3383
3020-00-009-3390
3020-00-009-4032
3020-00-009-4033
3020-00-009-4036
3020-00-009-4037
3020-00-009-4038
3020-00-009-4039
3020-00-009-4040
3020-00-009-4756
3020-00-009-4757
3020-00-009-4758
3020-00-009-5157
3020-00-009-5158
3020-00-009-5159
3020-00-009-5200
3020-00-009-5201
3020-00-009-5202
3020-00-009-5203
3020-00-009-5221
3020-00-009-5231
3020-00-009-5246
3020-00-009-5247
3020-00-009-5262
3020-00-009-5326
3020-00-009-5381
3020-00-009-5383
3020-00-009-5384
3020-00-009-5488
3020-00-009-5489
3020-00-009-5490
3020-00-009-5491
3020-00-009-5492
3020-00-009-5828
3020-00-009-5830
3020-00-009-5831
3020-00-009-5832
3020-00-009-5835
3020-00-009-6950
3020-00-009-7067
3020-00-009-7240
3020-00-009-7277
3020-00-009-7278
3020-00-009-7286
3020-00-009-7288
3020-00-009-7290
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3020-00-009-7319
3020-00-009-7416
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3020-00-009-7811
3020-00-009-7814
3020-00-009-8410
3020-00-009-8559
3020-00-009-8615
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3020-00-009-8851
3020-00-009-9344
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3020-00-010-1605
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3020-00-010-1612
3020-00-010-1625
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3020-00-010-1658
3020-00-010-1726
3020-00-010-2389
3020-00-010-2392
3020-00-010-2393
3020-00-010-2394
3020-00-010-2395
3020-00-010-2397
3020-00-010-2398
3020-00-010-2400
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3020-00-010-2403
3020-00-010-2404
3020-00-010-2405
3020-00-010-2468
3020-00-010-2469
3020-00-010-2540
3020-00-010-2553
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3020-00-010-2556
3020-00-010-2561
3020-00-010-2739
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3020-00-010-3074
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3020-00-010-4721
3020-00-010-4992
3020-00-010-5224
3020-00-010-5225
3020-00-010-5298
3020-00-010-5372
3020-00-010-5511
3020-00-010-5512
3020-00-010-5613
3020-00-010-6237
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3020-00-010-6244
3020-00-010-6247
3020-00-010-6248
3020-00-010-6249
3020-00-010-6250
3020-00-010-6251
3020-00-010-6307
3020-00-010-6394
3020-00-010-6395
3020-00-010-6402
3020-00-010-6451
3020-00-010-7581
3020-00-010-7660
3020-00-010-7692
3020-00-010-7693
3020-00-010-7748
3020-00-010-7758
3020-00-010-7873
3020-00-010-8081
3020-00-010-8083
3020-00-010-8084
3020-00-010-8085
3020-00-010-8086
3020-00-010-8087
3020-00-010-8088
3020-00-010-8089
3020-00-010-8090
3020-00-010-8091
3020-00-010-8092
3020-00-010-8093
3020-00-010-8094
3020-00-010-8095
3020-00-010-8096
3020-00-010-8172
3020-00-010-8719
3020-00-010-9337
3020-00-010-9343
3020-00-010-9355
3020-00-010-9359
3020-00-010-9364
3020-00-010-9602
3020-00-010-9905
3020-00-010-9929
3020-00-011-0908
3020-00-011-1046
3020-00-011-1055
3020-00-011-2464
3020-00-011-2525
3020-00-011-2538
3020-00-011-5240
3020-00-011-5674
3020-00-011-5675
3020-00-011-6045
3020-00-011-6586
3020-00-011-7042
3020-00-011-7518
3020-00-011-7887
3020-00-011-7940
3020-00-011-8151
3020-00-011-8708
3020-00-011-8956
3020-00-011-8988
3020-00-011-9668
3020-00-011-9679
3020-00-011-9685
3020-00-011-9686
3020-00-011-9691
3020-00-011-9696
3020-00-011-9697
3020-00-011-9898
3020-00-012-0044
3020-00-012-0073
3020-00-012-0092
3020-00-012-0094
3020-00-012-0096
3020-00-012-0097
3020-00-012-0129
3020-00-012-0266
3020-00-012-0810
3020-00-012-1073
3020-00-012-1074
3020-00-012-1075
3020-00-012-1076
3020-00-012-1077
3020-00-012-1078
3020-00-012-1079
3020-00-012-1080
3020-00-012-1364
3020-00-012-1365
3020-00-012-1366
3020-00-012-1373
3020-00-012-1375
3020-00-012-1376
3020-00-012-1377
3020-00-012-1378
3020-00-012-1379
3020-00-012-1380
3020-00-012-1381
3020-00-012-1413
3020-00-012-1414
3020-00-012-1440
3020-00-012-1441
3020-00-012-1451
3020-00-012-1455
3020-00-012-1456
3020-00-012-1459
3020-00-012-1460
3020-00-012-1461
3020-00-012-1462
3020-00-012-1463
3020-00-012-1464
3020-00-012-1465
3020-00-012-2112
3020-00-012-2153
3020-00-012-2157
3020-00-012-2163
3020-00-012-2165
3020-00-012-2169
3020-00-012-2175
3020-00-012-2177
3020-00-012-2182
3020-00-012-2189
3020-00-012-2195
3020-00-012-2197
3020-00-012-2208
3020-00-012-2213
3020-00-012-2215
3020-00-012-2216
3020-00-012-2219
3020-00-012-2315
3020-00-012-2361
3020-00-012-2363
3020-00-012-2393
3020-00-012-2395
3020-00-012-2396
3020-00-012-2398
3020-00-012-2453
3020-00-012-2562
3020-00-012-2879
3020-00-012-2943
3020-00-012-2944
3020-00-012-2953
3020-00-012-2955
3020-00-012-3704
3020-00-012-3933
3020-00-012-3936
3020-00-012-3939
3020-00-012-3943
3020-00-012-3945
3020-00-012-3949
3020-00-012-3951
3020-00-012-3955
3020-00-012-3958
3020-00-012-3962
3020-00-012-3964
3020-00-012-3968
3020-00-012-3970
3020-00-012-3974
3020-00-012-3976
3020-00-012-3980
3020-00-012-3982
3020-00-012-3986
3020-00-012-3988
3020-00-012-3992
3020-00-012-3995
3020-00-012-3998
3020-00-012-3999
3020-00-012-4001
3020-00-012-4004
3020-00-012-4264
3020-00-012-4272
3020-00-012-4284
3020-00-012-4287
3020-00-012-4292
3020-00-012-4317
3020-00-012-4350
3020-00-012-4485
3020-00-012-4503
3020-00-012-4919
3020-00-012-4964
3020-00-012-4965
3020-00-012-4966
3020-00-012-4968
3020-00-012-4969
3020-00-012-4978
3020-00-012-4979
3020-00-012-5053
3020-00-012-5091
3020-00-012-5105
3020-00-012-5157
3020-00-012-5853
3020-00-012-5854
3020-00-012-5855
3020-00-012-5864
3020-00-012-5908
3020-00-012-6019
3020-00-012-6021
3020-00-012-6025
3020-00-012-6029
3020-00-012-6052
3020-00-012-6058
3020-00-012-6400
3020-00-012-6404
3020-00-012-6409
3020-00-012-6414
3020-00-012-6431
3020-00-012-6436
3020-00-012-6440
3020-00-012-6445
3020-00-012-6450
3020-00-012-6455
3020-00-012-6458
3020-00-012-6462
3020-00-012-6467
3020-00-012-6478
3020-00-012-6484
3020-00-012-6689
3020-00-012-6694
3020-00-012-6762
3020-00-012-6820
3020-00-012-6825
3020-00-012-7402
3020-00-012-7403
3020-00-012-7404
3020-00-012-7414
3020-00-012-7558
3020-00-012-8075
3020-00-013-0174
3020-00-013-0181
3020-00-013-0449
3020-00-013-0465
3020-00-013-0472
3020-00-013-0493
3020-00-013-0575
3020-00-013-0744
3020-00-013-0754
3020-00-013-0758
3020-00-013-1235
3020-00-013-1380
3020-00-013-1384
3020-00-013-1393
3020-00-013-1512
3020-00-013-1720
3020-00-013-1798
3020-00-013-1996
3020-00-013-3007
3020-00-013-3012
3020-00-013-3017
3020-00-013-3022
3020-00-013-3027
3020-00-013-3181
3020-00-013-4158
3020-00-013-4170
3020-00-013-4234
3020-00-013-4295
3020-00-013-4307
3020-00-013-4323
3020-00-013-4348
3020-00-013-4356
3020-00-013-4368
3020-00-013-5502
3020-00-013-5607
3020-00-013-6901
3020-00-013-7115
3020-00-014-0168
3020-00-014-0230
3020-00-014-0619
3020-00-014-0786
3020-00-014-1042
3020-00-014-1043
3020-00-014-1045
3020-00-014-1046
3020-00-014-1313
3020-00-014-1314
3020-00-014-1315
3020-00-014-1319
3020-00-014-1320
3020-00-014-1321
3020-00-014-1323
3020-00-014-1325
3020-00-014-1326
3020-00-014-1406
3020-00-014-1610
3020-00-014-1843
3020-00-014-1855
3020-00-014-2041
3020-00-014-2042
3020-00-014-2045
3020-00-014-2048
3020-00-014-2050
3020-00-014-2177
3020-00-014-2270
3020-00-014-2273
3020-00-014-2297
3020-00-014-2314
3020-00-014-2449
3020-00-014-2450
3020-00-014-2452
3020-00-014-2457
3020-00-014-2634
3020-00-014-3067
3020-00-014-3071
3020-00-014-3077
3020-00-014-3206
3020-00-014-4499
3020-00-014-4500
3020-00-014-4690
3020-00-014-5558
3020-00-014-5730
3020-00-014-5731
3020-00-014-5732
3020-00-014-5733
3020-00-014-5734
3020-00-014-5735
3020-00-014-5736
3020-00-014-5737
3020-00-014-5774
3020-00-014-5802
3020-00-014-5803
3020-00-014-5804
3020-00-014-5805
3020-00-014-5806

Supply Items Included in Federal Supply Class 3020

CHAIN,BLOCK

A power transmission chain, consisting of laminated or solid blocks and alternate side plates held together by pins and designed in such a manner as to conform to the teeth of a sprocket wheel over which it runs.

CHAIN,SILENT

A flexible mechanical device consisting of inverted tooth links, with or without guide links, and used for power transmission. The links are joined by pins and mate with the sprocket teeth with a sliding action. Excludes flexible mechanical devices specifically designed for use with COUPLING, SHAFT, FLEXIBLE.

SPROCKET WHEEL

A toothed wheel whose teeth or sprockets are designed to be engaged with the links of a pitch chain, track, or the like. It is usually used for transmitting power.

CHAIN,ROLLER

A flexible mechanical device consisting of one or more rows of links used for conveying or power transmission. The link side plates are flat or offset and are spaced apart by rollers, bushings and/or pins. The chain mates with a sprocket with an articulating action. The non-rotating bushing type chain is limited to that designated by the American National Standards Institute as "roller chain". Excludes CHAIN, BLOCK.

CLIP,SPRING,CHAIN

A platelike retaining spring which snaps over pin ends to lock the link plates of drive chain in place.

LINK SET,CONNECTING AND OFFSET,ROLLER CHAIN

Two separate connecting devices consisting of a LINK, DETACHABLE LINK CHAIN and LINK, ROLLER CHAIN not assembled as a combination link.

LINK,ROLLER CHAIN

An assembled unit of a CHAIN, ROLLER consisting of side plates, roller(s), bushing(s), or pin(s). It may be a single or double pitch. Links containing bushings without rollers shall be as designated by the American National Standards Institute as "roller chain." Excludes LINK, CHAIN (as modified); and PULLEY, SASH.

PLATE,CHAIN LINK

A side bar of various shapes forming one of the tension members of a pin link, roller chain link, or silent chain link.

GEAR RACK

A bar-like item with gear teeth on one face for engaging with a spur, bevel, or worm gear, or the like. It is specifically designed for straight line motion.

GEAR,BEVEL

A gear in the form of a frustum of a cone, with straight, skewed, or curved teeth, cut on the external face. See also GEAR, ANTIBACKLASH, BEVEL.

GEAR,HELICAL

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also GEAR, ANTIBACKLASH, HELICAL:

GEAR,INTERNAL

A gear with teeth formed on the inner surface of a cylinder or cone.

GEAR,SPUR

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also GEAR, ANTIBACKLASH, SPUR. For bulk material, see ROD, PINION.

GEAR,WORM

A gear with teeth on its outer surface in the form of helical threads.

GEAR,WORM WHEEL

A gear, cylindrical in form, with spiral teeth designed to mesh with the thread forms of a GEAR (1), WORM. See also GEAR, ANTIBACKLASH, WORM WHEEL.

PULLEY,GROOVE

A pulley with one or more grooved faces or rims of the same diameter. For pulleys encased in a shell or frame, see BLOCK, TACKLE.For items specifically designed for aviation, see PULLEY(1), GROOVE, AVIATION.

PULLEY,CONE

A pulley having two or more adjoining grooved, flat or crowned faces in steps of different diameters or one having a single tapered face. For pulleys encased in a shell or frame, see BLOCK, TACKLE.

PULLEY,FLAT

A pulley with a straight or crowned face. The item may include belt aligning flange(s). Excludes PULLEY, CONE. For pulleys encased in a shell or frame, see BLOCK, TACKLE.

PULLEY,ENGINE STARTER ROPE

A grooved or flat faced pulley having one or more notches in the rim or flange for attaching a rope or cable for the purpose of cranking an engine.

ROD,PINION

A solid, cylindrically shaped item having a uniform cross section throughout its entire length with a 360 degree complement of straight, spur type teeth on its periphery. Refers to bulk material only. For items having a bore, hub, or mounting facilities, see GEAR, SPUR.

GEAR SET,BEVEL,MATCHED

A grouping of two or more or any combination of GEAR, BEVEL; GEARSHAFT, BEVEL; or GEAR CLUSTER, BEVEL which have been matched together for a given characteristic within a specified tolerance. Includes only those gears designed and tested to accomplish a specifically desired function.

GEAR SET,HELICAL,MATCHED

A grouping of two or more or any combination of GEAR, HELICAL; GEARSHAFT, HELICAL; or GEAR CLUSTER, HELICAL which have been matched together for a given characteristic within a specified tolerance. Includes only those gears designed and tested to accomplish a specifically desired function.

GEAR SET,SPUR,MATCHED

A grouping of two or more or any combination of GEAR, SPUR; GEARSHAFT, SPUR and/or GEAR CLUSTER, SPUR which have been matched together for a given characteristic within a specified tolerance. Includes only those gears designed and tested to accomplish a specifically designed function.

GEAR SET,WORM AND WORM WHEEL,MATCHED

A grouping of one or more GEAR, WORM and GEAR, WORM WHEEL and/or GEARSHAFT, WORM WHEEL which have been matched together for a given characteristic within a specified tolerance. Includes only those gears designed and tested to accomplish a specifically desired function.

GEAR,ANTIBACKLASH,BEVEL

An item having one fixed gear and one free gear, both having the same complement of bevel gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

GEAR,ANTIBACKLASH,HELICAL

An item having one fixed gear and one free gear, both having the same complement of helical gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

GEAR,ANTIBACKLASH,SPUR

An item having one fixed gear and one free gear, both having the same complement of spur gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

GEAR,ANTIBACKLASH,WORM WHEEL

An item having one fixed gear and one free gear, both having the same complement of worm wheel gear teeth, mounted on a common hub. The free gear is attached to the fixed gear by springs and operates as one gear. Upon installation with the mating gear, the teeth of the free moving gear are preset to mesh with teeth other than those of the fixed gear. This spring tension between the fixed gear and the free gear eliminates any free motion between the driver and the driven gear. The gear is used where identical and accurate transmitted motion between gears is required.

HUB,BODY

A cylindrical shoulder type item designed to be mounted and secured directly on a shaft or axle to position and retain on its body a gear(s), wheel(s), or the like. Items must have a method of securing directly to the shaft; however, a pilot hole drilled in or through the wall of the shoulder may be considered a method of securing; or by compressing the slotted hub end on the shaft by a hub clamp, which may or may not be included. Excludes BEARING, SLEEVE; BUSHING, SLEEVE; and COLLAR, SHAFT.

GEAR-SLIP CLUTCH,SPUR

A slip clutch gear with complements of spur gear teeth.

GEAR SECTOR,BEVEL

A gear sector with complements of bevel gear teeth.

GEAR SECTOR,HELICAL

A gear sector with complements of helical gear teeth.

GEAR SECTOR,SPUR

A gear sector with complements of spur gear teeth.

GEAR SECTOR,WORM WHEEL

A gear sector with complements of worm wheel teeth.

CHAIN,DETACHABLE LINK

A flexible mechanical device consisting of cast or stamped links without pins, bushings or rollers. The links may be assembled or disassembled when flexed to an acute angle.

CHAIN,PINTLE

A flexible mechanical device consisting of links, with offset sidebars and rollerless bushings cast as one piece. The links are coupled with pins.

LINK,DETACHABLE LINK CHAIN

A component of a CHAIN, DETACHABLE LINK consisting of a single cast or stamped piece. One end serves as a rollerless bushing and the other end as a pin. They may be assembled or disassembled when flexed to an acute angle.

LINK,PINTLE CHAIN

A component of a CHAIN, PINTLE consisting of offset sidebars and a rollerless bushing cast as one piece. The end opposite the rollerless bushing contains a connecting pin.

CHAIN,LEAF

A flexible mechanical device consisting of flat leaf plates assembled with pins or rivets to form a chain. The chain uses a flanged sheave in lieu of a sprocket. Each end has a termination hole through which securing pins are inserted when the chain terminations are attached. Excludes CHAIN, SILENT; and CHAIN, BLOCK.

GEAR SECTOR,INTERNAL

A gear sector with teeth formed on the inner surface.

GEAR CLUSTER

A cylindrical item having a full 360 degree (6.282 radians) complement of teeth on two or more surfaces. It may be a one-piece casting or composed of two or more separate items firmly held together by welding, rivets, pins, or the like, to form a single unit. It is designed to mount on a shaft. For items consisting of a shaft with an integral complement(s) or gear teeth, see GEARSHAFT (as modified). Excludes GEAR SUBASSEMBLY, SPEED DECREASER.

REPAIR KIT,CABLE CHAIN

Consists of miscellaneous parts such as splice bushings, chain sections, crimp tools, cable cutter, razor blade, instructions, and the like which are necessary to repair a CHAIN, CABLE.

CHAIN,CABLE

A flexible mechanical device consisting of one or more rows of cast or stamped links without side plates or rollers. The links may be replacable by splicing. Excludes metallic chains and belts.

MOLDBOARD CIRCLE ASSEMBLY,ROAD GRADER

IDLER SPROCKET,MOUNT BOOM

CABLE TENSIONING ASSEMBLY,ELEVATOR WORK CAGE

GEAR,CLUTCH

PULLEY,TAIL SHAFT

GEAR OPERATOR,ROTARY

SPROCKET WHEEL SEGMENT,DRIVE UNIT

GEAR SECTOR CLUSTER

A toothed device resembling a portion of a gear containing two or more complements of teeth. Each has fewer than 360 degrees (6.282 radians) of gear teeth. Excludes GEAR SECTOR (1), (as modified), GEAR RACK and RATCHET WHEEL.

PULLEY,TIMING BELT

A pulley with regularly spaced grooves parallel to the pulley axis on the face. It is designed to be used for timing purposes such as to synchronize the igintion spark with the completion of the compression stroke of the piston.

SPROCKET SHAFT

An item consisting of a shaft and one or more integral SPROCKET WHEEL.

GEAR AND SHAFT ASSEMBLY,BEVEL

An unenclosed assembly of a bevel gear(s) and a shaft(s). The gear(s) and shaft(s) must be capable of being separated from each other. Excludes GEARSHAFT (as modified) and GEAR CLUSTER (as modified).

LINK,LEAF CHAIN

A metal item which consists of two pins riveted to one outer plate. It may include inner and outer plates in bulk. It is designed to connect CHAIN, LEAF.

CASE,CHAIN

A device designed to totally enclose a driving chain and may incorporate oil bath or other lubrication features.

CHAIN ASSEMBLY,ROLLER

A specific length of non-reversible roller chain with end fittings. For items without end fittings see CHAIN, ROLLER.

ANCHOR,CHAIN

A metallic device designed to secure various styles of chain by use of a link and pin(s). Item may be threaded on one end.

INSERT,PULLEY

A circular item of various configurations consisting of one or more pieces. It is designed to accomodate different size cables on trawler/core and oceanographic winches.

GEAR,DRIVE MOTION

A gear, cylindrical or conical in form, with teeth on the outer surface used for the accurate transmission of motion.

GEAR ASSEMBLY,WORM

An assembled unit consisting of a worm type gear, bearing(s), coupler(s), coupling(s), and all necessary mounting hardware.

GEAR,RING,FLYWHEEL

An item designed to transmit motion from the starter to the flywheel in an engine.

RATCHET WHEEL

A circular wheel having teeth with which a reciprocating pawl engages to turn the wheel forward and prevent backward motion, or a stationary pawl which engages the wheel to prevent backward motion.

GUARD,MECHANICAL DRIVE

A safety device fabricated of rigid or semirigid material formed in various shapes. It may be fabricated from a single piece of material, and contains brackets, holes, or other means of attachments. It is designed to partially or fully inclose gear(s), pulley(s), sprocket(s), and the like.