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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.

5331-01-080-5009 (11508009)

NIIN: 01-080-5009
In stock
NSN: 5331-01-080-5009
FSC Code: 5331
MPN: 11508009

5331-00-089-0998 (11588688)

NIIN: 00-089-0998
In stock
NSN: 5331-00-089-0998
FSC Code: 5331
MPN: 11588688

5331-00-839-6660 (11591390)

NIIN: 00-839-6660
In stock
NSN: 5331-00-839-6660
FSC Code: 5331
MPN: 11591390

5331-00-765-1834 (11602010)

NIIN: 00-765-1834
In stock
NSN: 5331-00-765-1834
FSC Code: 5331
MPN: 11602010

5331-01-102-4685 (11610232)

NIIN: 01-102-4685
In stock
NSN: 5331-01-102-4685
FSC Code: 5331
MPN: 11610232

5331-00-107-7376 (11611961)

NIIN: 00-107-7376
In stock
NSN: 5331-00-107-7376
FSC Code: 5331
MPN: 11611961

5331-00-122-0555 (11614540)

NIIN: 00-122-0555
In stock
NSN: 5331-00-122-0555
FSC Code: 5331
MPN: 11614540

5331-00-494-9571 (11626795)

NIIN: 00-494-9571
In stock
NSN: 5331-00-494-9571
FSC Code: 5331
MPN: 11626795

5331-00-198-6169 (11634674)

NIIN: 00-198-6169
In stock
NSN: 5331-00-198-6169
FSC Code: 5331
MPN: 11634674

5331-00-579-9206 (11662946)

NIIN: 00-579-9206
In stock
NSN: 5331-00-579-9206
FSC Code: 5331
MPN: 11662946

5331-00-812-2949 (11731988)

NIIN: 00-812-2949
In stock
NSN: 5331-00-812-2949
FSC Code: 5331
MPN: 11731988

5331-01-055-8823 (11732664)

NIIN: 01-055-8823
In stock
NSN: 5331-01-055-8823
FSC Code: 5331
MPN: 11732664

5331-00-451-6500 (11738981)

NIIN: 00-451-6500
In stock
NSN: 5331-00-451-6500
FSC Code: 5331
MPN: 11738981

5331-01-098-2194 (11747367)

NIIN: 01-098-2194
In stock
NSN: 5331-01-098-2194
FSC Code: 5331
MPN: 11747367

5331-01-213-2421 (11784629)

NIIN: 01-213-2421
In stock
NSN: 5331-01-213-2421
FSC Code: 5331
MPN: 11784629

5331-00-865-3955 (11907094)

NIIN: 00-865-3955
In stock
NSN: 5331-00-865-3955
FSC Code: 5331
MPN: 11907094

5331-01-294-0200 (11902190)

NIIN: 01-294-0200
In stock
NSN: 5331-01-294-0200
FSC Code: 5331
MPN: 11902190

5331-01-211-3690 (12007667)

NIIN: 01-211-3690
In stock
NSN: 5331-01-211-3690
FSC Code: 5331
MPN: 12007667

5331-01-031-7139 (12008551)

NIIN: 01-031-7139
In stock
NSN: 5331-01-031-7139
FSC Code: 5331
MPN: 12008551

5331-01-037-0656 (12252615)

NIIN: 01-037-0656
In stock
NSN: 5331-01-037-0656
FSC Code: 5331
MPN: 12252615

5331-01-128-8974 (12267536)

NIIN: 01-128-8974
In stock
NSN: 5331-01-128-8974
FSC Code: 5331
MPN: 12267536

5331-01-073-4236 (12267750)

NIIN: 01-073-4236
In stock
NSN: 5331-01-073-4236
FSC Code: 5331
MPN: 12267750

5331-01-073-7842 (12267806)

NIIN: 01-073-7842
In stock
NSN: 5331-01-073-7842
FSC Code: 5331
MPN: 12267806

5331-01-073-4233 (12267784)

NIIN: 01-073-4233
In stock
NSN: 5331-01-073-4233
FSC Code: 5331
MPN: 12267784

5331-01-094-7880 (12267807)

NIIN: 01-094-7880
In stock
NSN: 5331-01-094-7880
FSC Code: 5331
MPN: 12267807

5331-01-117-0605 (12269950)

NIIN: 01-117-0605
In stock
NSN: 5331-01-117-0605
FSC Code: 5331
MPN: 12269950

5331-01-078-7667 (12271661)

NIIN: 01-078-7667
In stock
NSN: 5331-01-078-7667
FSC Code: 5331
MPN: 12271661

5331-01-100-8131 (12272087)

NIIN: 01-100-8131
In stock
NSN: 5331-01-100-8131
FSC Code: 5331
MPN: 12272087

5331-00-167-5169 (12274432)

NIIN: 00-167-5169
In stock
NSN: 5331-00-167-5169
FSC Code: 5331
MPN: 12274432

5331-01-066-2490 (12274433)

NIIN: 01-066-2490
In stock
NSN: 5331-01-066-2490
FSC Code: 5331
MPN: 12274433

5331-01-301-0867 (12277884)

NIIN: 01-301-0867
In stock
NSN: 5331-01-301-0867
FSC Code: 5331
MPN: 12277884

5331-01-078-9667 (12281115)

NIIN: 01-078-9667
In stock
NSN: 5331-01-078-9667
FSC Code: 5331
MPN: 12281115

5331-01-073-3118 (12283359)

NIIN: 01-073-3118
In stock
NSN: 5331-01-073-3118
FSC Code: 5331
MPN: 12283359

5331-01-197-8151 (12284602)

NIIN: 01-197-8151
In stock
NSN: 5331-01-197-8151
FSC Code: 5331
MPN: 12284602

5331-01-197-5503 (12284601)

NIIN: 01-197-5503
In stock
NSN: 5331-01-197-5503
FSC Code: 5331
MPN: 12284601

5331-01-210-2155 (12301126)

NIIN: 01-210-2155
In stock
NSN: 5331-01-210-2155
FSC Code: 5331
MPN: 12301126

5331-01-121-1720 (12304450)

NIIN: 01-121-1720
In stock
NSN: 5331-01-121-1720
FSC Code: 5331
MPN: 12304450

5331-01-179-1238 (12324041)

NIIN: 01-179-1238
In stock
NSN: 5331-01-179-1238
FSC Code: 5331
MPN: 12324041

5331-00-989-5723 (12331302)

NIIN: 00-989-5723
In stock
NSN: 5331-00-989-5723
FSC Code: 5331
MPN: 12331302

5331-01-216-7392 (12338998)

NIIN: 01-216-7392
In stock
NSN: 5331-01-216-7392
FSC Code: 5331
MPN: 12338998

5331-01-216-7393 (12338997)

NIIN: 01-216-7393
In stock
NSN: 5331-01-216-7393
FSC Code: 5331
MPN: 12338997

5331-01-195-8889 (12339002)

NIIN: 01-195-8889
In stock
NSN: 5331-01-195-8889
FSC Code: 5331
MPN: 12339002

5331-01-176-0923 (12339498)

NIIN: 01-176-0923
In stock
NSN: 5331-01-176-0923
FSC Code: 5331
MPN: 12339498

5331-01-335-8878 (12342633)

NIIN: 01-335-8878
In stock
NSN: 5331-01-335-8878
FSC Code: 5331
MPN: 12342633

5331-01-314-7598 (12363606)

NIIN: 01-314-7598
In stock
NSN: 5331-01-314-7598
FSC Code: 5331
MPN: 12363606

5331-01-285-7388 (12577318)

NIIN: 01-285-7388
In stock
NSN: 5331-01-285-7388
FSC Code: 5331
MPN: 12577318

5331-01-285-7390 (12577322)

NIIN: 01-285-7390
In stock
NSN: 5331-01-285-7390
FSC Code: 5331
MPN: 12577322

5331-01-286-0463 (12577319)

NIIN: 01-286-0463
In stock
NSN: 5331-01-286-0463
FSC Code: 5331
MPN: 12577319