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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.

5331-00-857-5016 (S8057AY102)

NIIN: 00-857-5016
In stock
NSN: 5331-00-857-5016
FSC Code: 5331
MPN: S8057AY102

5331-00-845-0917 (S8057AY108)

NIIN: 00-845-0917
In stock
NSN: 5331-00-845-0917
FSC Code: 5331
MPN: S8057AY108

5331-00-809-0811 (S8057AV163P)

NIIN: 00-809-0811
In stock
NSN: 5331-00-809-0811
FSC Code: 5331
MPN: S8057AV163P

5331-00-240-4404 (S8057AV166)

NIIN: 00-240-4404
In stock
NSN: 5331-00-240-4404
FSC Code: 5331
MPN: S8057AV166

5331-00-809-1042 (S8057AV10)

NIIN: 00-809-1042
In stock
NSN: 5331-00-809-1042
FSC Code: 5331
MPN: S8057AV10

5331-00-088-1257 (S8057AT202)

NIIN: 00-088-1257
In stock
NSN: 5331-00-088-1257
FSC Code: 5331
MPN: S8057AT202

5331-00-913-2766 (S8057AT10)

NIIN: 00-913-2766
In stock
NSN: 5331-00-913-2766
FSC Code: 5331
MPN: S8057AT10

5331-00-715-1791 (S8057AR233)

NIIN: 00-715-1791
In stock
NSN: 5331-00-715-1791
FSC Code: 5331
MPN: S8057AR233

5331-00-229-3829 (S8057AP302)

NIIN: 00-229-3829
In stock
NSN: 5331-00-229-3829
FSC Code: 5331
MPN: S8057AP302

5331-00-903-7839 (S8057AT184)

NIIN: 00-903-7839
In stock
NSN: 5331-00-903-7839
FSC Code: 5331
MPN: S8057AT184

5331-00-684-1994 (S8057AR223)

NIIN: 00-684-1994
In stock
NSN: 5331-00-684-1994
FSC Code: 5331
MPN: S8057AR223

5331-00-064-4718 (S8057AR13)

NIIN: 00-064-4718
In stock
NSN: 5331-00-064-4718
FSC Code: 5331
MPN: S8057AR13

5331-01-081-8957 (S8057AP-27)

NIIN: 01-081-8957
In stock
NSN: 5331-01-081-8957
FSC Code: 5331
MPN: S8057AP27

5331-00-411-3655 (S8057AP262)

NIIN: 00-411-3655
In stock
NSN: 5331-00-411-3655
FSC Code: 5331
MPN: S8057AP262

5331-00-421-9428 (S8057AP199)

NIIN: 00-421-9428
In stock
NSN: 5331-00-421-9428
FSC Code: 5331
MPN: S8057AP199

5331-00-599-2622 (S8057AP217)

NIIN: 00-599-2622
In stock
NSN: 5331-00-599-2622
FSC Code: 5331
MPN: S8057AP217

5331-01-081-9503 (S8057AP-225)

NIIN: 01-081-9503
In stock
NSN: 5331-01-081-9503
FSC Code: 5331
MPN: S8057AP225

5331-00-904-0866 (S8057AP20)

NIIN: 00-904-0866
In stock
NSN: 5331-00-904-0866
FSC Code: 5331
MPN: S8057AP20

5331-00-757-6850 (S8057AP185)

NIIN: 00-757-6850
In stock
NSN: 5331-00-757-6850
FSC Code: 5331
MPN: S8057AP185

5331-00-764-9821 (S8057AP101P)

NIIN: 00-764-9821
In stock
NSN: 5331-00-764-9821
FSC Code: 5331
MPN: S8057AP101P

5331-00-401-4864 (S8057AP129)

NIIN: 00-401-4864
In stock
NSN: 5331-00-401-4864
FSC Code: 5331
MPN: S8057AP129

5331-01-006-9834 (S8057AP121)

NIIN: 01-006-9834
In stock
NSN: 5331-01-006-9834
FSC Code: 5331
MPN: S8057AP121

5331-00-557-5386 (S8057AP14)

NIIN: 00-557-5386
In stock
NSN: 5331-00-557-5386
FSC Code: 5331
MPN: S8057AP14

5331-00-878-2169 (S8057AL4)

NIIN: 00-878-2169
In stock
NSN: 5331-00-878-2169
FSC Code: 5331
MPN: S8057AL4

5331-01-221-9906 (S8057AK27)

NIIN: 01-221-9906
In stock
NSN: 5331-01-221-9906
FSC Code: 5331
MPN: S8057AK27

5331-00-952-1884 (S8057AP106)

NIIN: 00-952-1884
In stock
NSN: 5331-00-952-1884
FSC Code: 5331
MPN: S8057AP106

5331-01-080-3318 (S8057AK8)

NIIN: 01-080-3318
In stock
NSN: 5331-01-080-3318
FSC Code: 5331
MPN: S8057AK8

5331-01-080-7218 (S8057AK5)

NIIN: 01-080-7218
In stock
NSN: 5331-01-080-7218
FSC Code: 5331
MPN: S8057AK5

5331-01-025-6466 (S8057AK23)

NIIN: 01-025-6466
In stock
NSN: 5331-01-025-6466
FSC Code: 5331
MPN: S8057AK23

5331-00-929-6459 (S8057AK196)

NIIN: 00-929-6459
In stock
NSN: 5331-00-929-6459
FSC Code: 5331
MPN: S8057AK196

5331-00-947-6920 (S8057AK156)

NIIN: 00-947-6920
In stock
NSN: 5331-00-947-6920
FSC Code: 5331
MPN: S8057AK156

5331-01-025-6470 (S8057AK252)

NIIN: 01-025-6470
In stock
NSN: 5331-01-025-6470
FSC Code: 5331
MPN: S8057AK252

5331-00-952-9609 (S8057AK223)

NIIN: 00-952-9609
In stock
NSN: 5331-00-952-9609
FSC Code: 5331
MPN: S8057AK223

5331-00-929-6460 (S8057AK256)

NIIN: 00-929-6460
In stock
NSN: 5331-00-929-6460
FSC Code: 5331
MPN: S8057AK256

5331-01-317-1685 (S8057AK19)

NIIN: 01-317-1685
In stock
NSN: 5331-01-317-1685
FSC Code: 5331
MPN: S8057AK19

5331-01-317-1684 (S8057AK11)

NIIN: 01-317-1684
In stock
NSN: 5331-01-317-1684
FSC Code: 5331
MPN: S8057AK11

5331-00-549-8285 (S8057AK121)

NIIN: 00-549-8285
In stock
NSN: 5331-00-549-8285
FSC Code: 5331
MPN: S8057AK121

5331-00-925-7836 (S8057AK164)

NIIN: 00-925-7836
In stock
NSN: 5331-00-925-7836
FSC Code: 5331
MPN: S8057AK164

5331-01-169-2019 (S8057AK161)

NIIN: 01-169-2019
In stock
NSN: 5331-01-169-2019
FSC Code: 5331
MPN: S8057AK161

5331-00-925-7829 (S8057AK124)

NIIN: 00-925-7829
In stock
NSN: 5331-00-925-7829
FSC Code: 5331
MPN: S8057AK124

5331-01-221-9904 (S8057AK100)

NIIN: 01-221-9904
In stock
NSN: 5331-01-221-9904
FSC Code: 5331
MPN: S8057AK100

5331-00-580-3533 (S8057AH147)

NIIN: 00-580-3533
In stock
NSN: 5331-00-580-3533
FSC Code: 5331
MPN: S8057AH147

5331-00-811-6262 (S8057AH6)

NIIN: 00-811-6262
In stock
NSN: 5331-00-811-6262
FSC Code: 5331
MPN: S8057AH6

5331-00-811-6263 (S8057AH5)

NIIN: 00-811-6263
In stock
NSN: 5331-00-811-6263
FSC Code: 5331
MPN: S8057AH5

5331-00-315-9144 (S8057AK10)

NIIN: 00-315-9144
In stock
NSN: 5331-00-315-9144
FSC Code: 5331
MPN: S8057AK10

5331-00-840-3431 (S8057AJ5)

NIIN: 00-840-3431
In stock
NSN: 5331-00-840-3431
FSC Code: 5331
MPN: S8057AJ5

5331-00-840-3432 (S8057AJ166)

NIIN: 00-840-3432
In stock
NSN: 5331-00-840-3432
FSC Code: 5331
MPN: S8057AJ166

5331-01-166-9133 (S8057AJ209)

NIIN: 01-166-9133
In stock
NSN: 5331-01-166-9133
FSC Code: 5331
MPN: S8057AJ209