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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.

5331-01-076-0198 (DASH109)

NIIN: 01-076-0198
In stock
NSN: 5331-01-076-0198
FSC Code: 5331
MPN: DASH109

5331-12-331-5835 (700429006003)

NIIN: 12-331-5835
In stock
NSN: 5331-12-331-5835
FSC Code: 5331
MPN: 700429006003

5331-01-352-9337 (6V9769)

NIIN: 01-352-9337
In stock
NSN: 5331-01-352-9337
FSC Code: 5331
MPN: 6V9769

5331-01-474-2184 (6V-8978)

NIIN: 01-474-2184
In stock
NSN: 5331-01-474-2184
FSC Code: 5331
MPN: 6V8978

5331-01-513-9992 (6V8938)

NIIN: 01-513-9992
In stock
NSN: 5331-01-513-9992
FSC Code: 5331
MPN: 6V8938

5331-01-527-9155 (6V8253)

NIIN: 01-527-9155
In stock
NSN: 5331-01-527-9155
FSC Code: 5331
MPN: 6V8253

5331-01-483-9434 (6V-8002)

NIIN: 01-483-9434
In stock
NSN: 5331-01-483-9434
FSC Code: 5331
MPN: 6V8002

5331-01-485-8206 (6V-8399)

NIIN: 01-485-8206
In stock
NSN: 5331-01-485-8206
FSC Code: 5331
MPN: 6V8399

5331-01-486-0780 (6V7661)

NIIN: 01-486-0780
In stock
NSN: 5331-01-486-0780
FSC Code: 5331
MPN: 6V7661

5331-01-514-6490 (6V-7658)

NIIN: 01-514-6490
In stock
NSN: 5331-01-514-6490
FSC Code: 5331
MPN: 6V7658

5331-01-474-2403 (6V-8351)

NIIN: 01-474-2403
In stock
NSN: 5331-01-474-2403
FSC Code: 5331
MPN: 6V8351

5331-01-494-9522 (6V7972)

NIIN: 01-494-9522
In stock
NSN: 5331-01-494-9522
FSC Code: 5331
MPN: 6V7972

5331-01-429-7833 (6V-7991)

NIIN: 01-429-7833
In stock
NSN: 5331-01-429-7833
FSC Code: 5331
MPN: 6V7991

5331-01-566-8115 (6V7660)

NIIN: 01-566-8115
In stock
NSN: 5331-01-566-8115
FSC Code: 5331
MPN: 6V7660

5331-01-425-2100 (6V-6963)

NIIN: 01-425-2100
In stock
NSN: 5331-01-425-2100
FSC Code: 5331
MPN: 6V6963

5331-01-342-2747 (6V7323)

NIIN: 01-342-2747
In stock
NSN: 5331-01-342-2747
FSC Code: 5331
MPN: 6V7323

5331-01-474-1706 (6V-7351)

NIIN: 01-474-1706
In stock
NSN: 5331-01-474-1706
FSC Code: 5331
MPN: 6V7351

5331-01-486-0788 (6V5597)

NIIN: 01-486-0788
In stock
NSN: 5331-01-486-0788
FSC Code: 5331
MPN: 6V5597

5331-01-474-2223 (6V-6580)

NIIN: 01-474-2223
In stock
NSN: 5331-01-474-2223
FSC Code: 5331
MPN: 6V6580

5331-01-352-5760 (6V-5102)

NIIN: 01-352-5760
In stock
NSN: 5331-01-352-5760
FSC Code: 5331
MPN: 6V5102

5331-01-376-6653 (6V-5556)

NIIN: 01-376-6653
In stock
NSN: 5331-01-376-6653
FSC Code: 5331
MPN: 6V5556

5331-01-473-6093 (6V5758)

NIIN: 01-473-6093
In stock
NSN: 5331-01-473-6093
FSC Code: 5331
MPN: 6V5758

5331-01-376-6826 (6V5326)

NIIN: 01-376-6826
In stock
NSN: 5331-01-376-6826
FSC Code: 5331
MPN: 6V5326

5331-01-346-0288 (6V-5586)

NIIN: 01-346-0288
In stock
NSN: 5331-01-346-0288
FSC Code: 5331
MPN: 6V5586

5331-01-346-0289 (6V5391)

NIIN: 01-346-0289
In stock
NSN: 5331-01-346-0289
FSC Code: 5331
MPN: 6V5391

5331-01-351-2742 (6V-5064)

NIIN: 01-351-2742
In stock
NSN: 5331-01-351-2742
FSC Code: 5331
MPN: 6V5064

5331-01-537-9447 (6V-5188)

NIIN: 01-537-9447
In stock
NSN: 5331-01-537-9447
FSC Code: 5331
MPN: 6V5188

5331-01-376-6652 (6V-5555)

NIIN: 01-376-6652
In stock
NSN: 5331-01-376-6652
FSC Code: 5331
MPN: 6V5555

5331-01-429-4566 (6V5103)

NIIN: 01-429-4566
In stock
NSN: 5331-01-429-4566
FSC Code: 5331
MPN: 6V5103

5331-01-350-5351 (6V-5059)

NIIN: 01-350-5351
In stock
NSN: 5331-01-350-5351
FSC Code: 5331
MPN: 6V5059

5331-01-466-9285 (6V-3834)

NIIN: 01-466-9285
In stock
NSN: 5331-01-466-9285
FSC Code: 5331
MPN: 6V3834

5331-01-350-5353 (6V-5062)

NIIN: 01-350-5353
In stock
NSN: 5331-01-350-5353
FSC Code: 5331
MPN: 6V5062

5331-01-351-2741 (6V-5061)

NIIN: 01-351-2741
In stock
NSN: 5331-01-351-2741
FSC Code: 5331
MPN: 6V5061

5331-01-352-8152 (6V-3603)

NIIN: 01-352-8152
In stock
NSN: 5331-01-352-8152
FSC Code: 5331
MPN: 6V3603

5331-01-343-3744 (6V-5055)

NIIN: 01-343-3744
In stock
NSN: 5331-01-343-3744
FSC Code: 5331
MPN: 6V5055

5331-01-351-2735 (6V-5095)

NIIN: 01-351-2735
In stock
NSN: 5331-01-351-2735
FSC Code: 5331
MPN: 6V5095

5331-01-487-2351 (6V3865)

NIIN: 01-487-2351
In stock
NSN: 5331-01-487-2351
FSC Code: 5331
MPN: 6V3865

5331-01-351-5347 (6V-5060)

NIIN: 01-351-5347
In stock
NSN: 5331-01-351-5347
FSC Code: 5331
MPN: 6V5060

5331-01-351-2737 (6V-5058)

NIIN: 01-351-2737
In stock
NSN: 5331-01-351-2737
FSC Code: 5331
MPN: 6V5058

5331-01-350-5346 (6V-3833)

NIIN: 01-350-5346
In stock
NSN: 5331-01-350-5346
FSC Code: 5331
MPN: 6V3833

5331-01-353-3475 (6V3319)

NIIN: 01-353-3475
In stock
NSN: 5331-01-353-3475
FSC Code: 5331
MPN: 6V3319

5331-01-429-4568 (6V-5054)

NIIN: 01-429-4568
In stock
NSN: 5331-01-429-4568
FSC Code: 5331
MPN: 6V5054

5331-01-350-5352 (6V-5052)

NIIN: 01-350-5352
In stock
NSN: 5331-01-350-5352
FSC Code: 5331
MPN: 6V5052

5331-01-499-1067 (6V3831)

NIIN: 01-499-1067
In stock
NSN: 5331-01-499-1067
FSC Code: 5331
MPN: 6V3831

5331-01-350-5347 (6V-3968)

NIIN: 01-350-5347
In stock
NSN: 5331-01-350-5347
FSC Code: 5331
MPN: 6V3968

5331-01-425-0954 (6V-3349)

NIIN: 01-425-0954
In stock
NSN: 5331-01-425-0954
FSC Code: 5331
MPN: 6V3349

5331-01-509-2311 (6V-3263)

NIIN: 01-509-2311
In stock
NSN: 5331-01-509-2311
FSC Code: 5331
MPN: 6V3263

5331-01-350-5350 (6V-3550)

NIIN: 01-350-5350
In stock
NSN: 5331-01-350-5350
FSC Code: 5331
MPN: 6V3550