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O-Rings

FSC 5331: O-Rings

Federal Supply Class (FSC) 5331 covers O-rings, the round-section elastomeric seals used to seal static and dynamic joints. The catalog includes O-rings built to AS568, MIL-SPEC, and industry standards.

O-rings seal connections in hydraulic, pneumatic, fuel, and fluid systems by compressing in a groove. They are among the most widely used sealing elements in machinery.

Common materials include nitrile (Buna-N), fluorocarbon (Viton), silicone, EPDM, and PTFE, selected for fluid compatibility and temperature range. Sizes follow standard dash-number series for repeatable replacement.

5331-01-605-3921 (924038)

NIIN: 01-605-3921
In stock
NSN: 5331-01-605-3921
FSC Code: 5331
MPN: 924038

5331-01-605-3912 (19-12-B300-1285)

NIIN: 01-605-3912
In stock
NSN: 5331-01-605-3912
FSC Code: 5331
MPN: 1912B3001285

5331-01-605-3904 (M950R3008000251)

NIIN: 01-605-3904
In stock
NSN: 5331-01-605-3904
FSC Code: 5331
MPN: M950R3008000251

5331-01-605-1381 (2-024S70)

NIIN: 01-605-1381
In stock
NSN: 5331-01-605-1381
FSC Code: 5331
MPN: 2024S70

5331-01-605-1256 (00696F)

NIIN: 01-605-1256
In stock
NSN: 5331-01-605-1256
FSC Code: 5331
MPN: 00696F

5331-01-605-0335 (064019-1014)

NIIN: 01-605-0335
In stock
NSN: 5331-01-605-0335
FSC Code: 5331
MPN: 0640191014

5331-01-604-9818 (J515CH290X0236H)

NIIN: 01-604-9818
In stock
NSN: 5331-01-604-9818
FSC Code: 5331
MPN: J515CH290X0236H

5331-01-605-3405 (MS29512-2)

NIIN: 01-605-3405
In stock
NSN: 5331-01-605-3405
FSC Code: 5331
MPN: MS295122

5331-01-605-1552 (000215EE)

NIIN: 01-605-1552
In stock
NSN: 5331-01-605-1552
FSC Code: 5331
MPN: 000215EE

5331-01-605-1367 (2-022S70)

NIIN: 01-605-1367
In stock
NSN: 5331-01-605-1367
FSC Code: 5331
MPN: 2022S70

5331-01-605-1368 (2-116N674)

NIIN: 01-605-1368
In stock
NSN: 5331-01-605-1368
FSC Code: 5331
MPN: 2116N674

5331-01-605-1264 (E0540 2-043)

NIIN: 01-605-1264
In stock
NSN: 5331-01-605-1264
FSC Code: 5331
MPN: E05402043

5331-01-605-4823 (499S)

NIIN: 01-605-4823
In stock
NSN: 5331-01-605-4823
FSC Code: 5331
MPN: 499S

5331-01-605-3925 (669062076)

NIIN: 01-605-3925
In stock
NSN: 5331-01-605-3925
FSC Code: 5331
MPN: 669062076

5331-01-605-3914 (34055 FIND NO 39)

NIIN: 01-605-3914
In stock
NSN: 5331-01-605-3914
FSC Code: 5331
MPN: 34055FINDNO39

5331-01-605-1366 (2-018S70)

NIIN: 01-605-1366
In stock
NSN: 5331-01-605-1366
FSC Code: 5331
MPN: 2018S70

5331-01-605-1252 (01055D)

NIIN: 01-605-1252
In stock
NSN: 5331-01-605-1252
FSC Code: 5331
MPN: 01055D

5331-01-604-9570 (000226)

NIIN: 01-604-9570
In stock
NSN: 5331-01-604-9570
FSC Code: 5331
MPN: 000226

5331-01-604-9024 (180-8424)

NIIN: 01-604-9024
In stock
NSN: 5331-01-604-9024
FSC Code: 5331
MPN: 1808424

5331-01-605-3903 (M950Q37043Z5048)

NIIN: 01-605-3903
In stock
NSN: 5331-01-605-3903
FSC Code: 5331
MPN: M950Q37043Z5048

5331-01-605-1376 (2-037270)

NIIN: 01-605-1376
In stock
NSN: 5331-01-605-1376
FSC Code: 5331
MPN: 2037270

5331-01-605-0342 (064019-026)

NIIN: 01-605-0342
In stock
NSN: 5331-01-605-0342
FSC Code: 5331
MPN: 064019026

5331-01-605-0851 (9262K712)

NIIN: 01-605-0851
In stock
NSN: 5331-01-605-0851
FSC Code: 5331
MPN: 9262K712

5331-01-605-0670 (91207-ZW1-013)

NIIN: 01-605-0670
In stock
NSN: 5331-01-605-0670
FSC Code: 5331
MPN: 91207ZW1013

5331-01-604-9811 (J515CH290X0446H)

NIIN: 01-604-9811
In stock
NSN: 5331-01-604-9811
FSC Code: 5331
MPN: J515CH290X0446H

5331-01-604-9515 (S8990-611)

NIIN: 01-604-9515
In stock
NSN: 5331-01-604-9515
FSC Code: 5331
MPN: S8990611

5331-01-604-9569 (000215)

NIIN: 01-604-9569
In stock
NSN: 5331-01-604-9569
FSC Code: 5331
MPN: 000215

5331-01-605-4150 (GBV-F3-60-0020 DET NO 24)

NIIN: 01-605-4150
In stock
NSN: 5331-01-605-4150
FSC Code: 5331
MPN: GBVF3600020DETNO24

5331-01-605-2333 (91351-ZY3-C00)

NIIN: 01-605-2333
In stock
NSN: 5331-01-605-2333
FSC Code: 5331
MPN: 91351ZY3C00

5331-01-605-1391 (8M0034912)

NIIN: 01-605-1391
In stock
NSN: 5331-01-605-1391
FSC Code: 5331
MPN: 8M0034912

5331-01-605-1437 (4410591-9080)

NIIN: 01-605-1437
In stock
NSN: 5331-01-605-1437
FSC Code: 5331
MPN: 44105919080

5331-01-605-0336 (064019-099)

NIIN: 01-605-0336
In stock
NSN: 5331-01-605-0336
FSC Code: 5331
MPN: 064019099

5331-01-605-0334 (064019-102)

NIIN: 01-605-0334
In stock
NSN: 5331-01-605-0334
FSC Code: 5331
MPN: 064019102

5331-01-605-0042 (MS25988/1-133)

NIIN: 01-605-0042
In stock
NSN: 5331-01-605-0042
FSC Code: 5331
MPN: MS259881133

5331-01-604-8827 (3330538)

NIIN: 01-604-8827
In stock
NSN: 5331-01-604-8827
FSC Code: 5331
MPN: 3330538

5331-01-605-2137 (91304-ZY3-000)

NIIN: 01-605-2137
In stock
NSN: 5331-01-605-2137
FSC Code: 5331
MPN: 91304ZY3000

5331-01-605-1231 (BACP11J434)

NIIN: 01-605-1231
In stock
NSN: 5331-01-605-1231
FSC Code: 5331
MPN: BACP11J434

5331-01-605-1260 (803-7526213-1X-17)

NIIN: 01-605-1260
In stock
NSN: 5331-01-605-1260
FSC Code: 5331
MPN: 80375262131X17

5331-01-605-0331 (064019-101)

NIIN: 01-605-0331
In stock
NSN: 5331-01-605-0331
FSC Code: 5331
MPN: 064019101

5331-01-604-8724 (2403/0013)

NIIN: 01-604-8724
In stock
NSN: 5331-01-604-8724
FSC Code: 5331
MPN: 24030013

5331-01-605-4151 (GBV-F3-60-0020 DET NO 12)

NIIN: 01-605-4151
In stock
NSN: 5331-01-605-4151
FSC Code: 5331
MPN: GBVF3600020DETNO12

5331-01-605-3877 (2-123)

NIIN: 01-605-3877
In stock
NSN: 5331-01-605-3877
FSC Code: 5331
MPN: 2123

5331-01-605-2157 (91316-ZV5-821)

NIIN: 01-605-2157
In stock
NSN: 5331-01-605-2157
FSC Code: 5331
MPN: 91316ZV5821

5331-01-605-1418 (7181-FSP-90-OR-502)

NIIN: 01-605-1418
In stock
NSN: 5331-01-605-1418
FSC Code: 5331
MPN: 7181FSP90OR502

5331-01-605-1372 (2-013S70)

NIIN: 01-605-1372
In stock
NSN: 5331-01-605-1372
FSC Code: 5331
MPN: 2013S70

5331-01-605-0768 (046624)

NIIN: 01-605-0768
In stock
NSN: 5331-01-605-0768
FSC Code: 5331
MPN: 046624

5331-01-604-9060 (2401/0219)

NIIN: 01-604-9060
In stock
NSN: 5331-01-604-9060
FSC Code: 5331
MPN: 24010219

5331-01-604-8830 (3102802)

NIIN: 01-604-8830
In stock
NSN: 5331-01-604-8830
FSC Code: 5331
MPN: 3102802