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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.

5331-01-416-0505 (AS28775-326)

NIIN: 01-416-0505
In stock
NSN: 5331-01-416-0505
FSC Code: 5331
MPN: AS28775326

5331-01-548-9569 (AS29513-135)

NIIN: 01-548-9569
In stock
NSN: 5331-01-548-9569
FSC Code: 5331
MPN: AS29513135

5331-01-519-1327 (AS29513-219)

NIIN: 01-519-1327
In stock
NSN: 5331-01-519-1327
FSC Code: 5331
MPN: AS29513219

5331-01-180-4802 (P12611885N)

NIIN: 01-180-4802
In stock
NSN: 5331-01-180-4802
FSC Code: 5331
MPN: P12611885N

5331-01-180-4801 (P12612140)

NIIN: 01-180-4801
In stock
NSN: 5331-01-180-4801
FSC Code: 5331
MPN: P12612140

5331-01-180-6626 (P12607514N)

NIIN: 01-180-6626
In stock
NSN: 5331-01-180-6626
FSC Code: 5331
MPN: P12607514N

5331-01-387-6321 (AS-242TS)

NIIN: 01-387-6321
In stock
NSN: 5331-01-387-6321
FSC Code: 5331
MPN: AS242TS

5331-01-313-2975 (P123)

NIIN: 01-313-2975
In stock
NSN: 5331-01-313-2975
FSC Code: 5331
MPN: P123

5331-01-146-0496 (P-116)

NIIN: 01-146-0496
In stock
NSN: 5331-01-146-0496
FSC Code: 5331
MPN: P116

5331-00-107-7369 (P11262)

NIIN: 00-107-7369
In stock
NSN: 5331-00-107-7369
FSC Code: 5331
MPN: P11262

5331-01-046-7959 (P112)

NIIN: 01-046-7959
In stock
NSN: 5331-01-046-7959
FSC Code: 5331
MPN: P112

5331-01-022-5489 (P-1100-17-11)

NIIN: 01-022-5489
In stock
NSN: 5331-01-022-5489
FSC Code: 5331
MPN: P11001711

5331-01-259-9301 (P-1100-09-11)

NIIN: 01-259-9301
In stock
NSN: 5331-01-259-9301
FSC Code: 5331
MPN: P11000911

5331-01-274-5565 (P-1100-21-11)

NIIN: 01-274-5565
In stock
NSN: 5331-01-274-5565
FSC Code: 5331
MPN: P11002111

5331-01-259-9299 (P-1100-06-11)

NIIN: 01-259-9299
In stock
NSN: 5331-01-259-9299
FSC Code: 5331
MPN: P11000611

5331-00-419-3334 (P-1100-06)

NIIN: 00-419-3334
In stock
NSN: 5331-00-419-3334
FSC Code: 5331
MPN: P110006

5331-01-181-2424 (P10-2927)

NIIN: 01-181-2424
In stock
NSN: 5331-01-181-2424
FSC Code: 5331
MPN: P102927

5331-00-966-9130 (P10-2412)

NIIN: 00-966-9130
In stock
NSN: 5331-00-966-9130
FSC Code: 5331
MPN: P102412

5331-00-727-3958 (P10-1401)

NIIN: 00-727-3958
In stock
NSN: 5331-00-727-3958
FSC Code: 5331
MPN: P101401

5331-01-318-4559 (P-1000-A3-155)

NIIN: 01-318-4559
In stock
NSN: 5331-01-318-4559
FSC Code: 5331
MPN: P1000A3155

5331-01-312-7157 (P-1000-23)

NIIN: 01-312-7157
In stock
NSN: 5331-01-312-7157
FSC Code: 5331
MPN: P100023

5331-01-124-7725 (P-1000-15)

NIIN: 01-124-7725
In stock
NSN: 5331-01-124-7725
FSC Code: 5331
MPN: P100015

5331-01-259-9300 (P-1000-10-11)

NIIN: 01-259-9300
In stock
NSN: 5331-01-259-9300
FSC Code: 5331
MPN: P10001011

5331-01-259-9302 (P-1000-09-11)

NIIN: 01-259-9302
In stock
NSN: 5331-01-259-9302
FSC Code: 5331
MPN: P10000911

5331-01-241-0790 (P-1000-09-155)

NIIN: 01-241-0790
In stock
NSN: 5331-01-241-0790
FSC Code: 5331
MPN: P100009155

5331-01-039-7580 (P-1000-06-155)

NIIN: 01-039-7580
In stock
NSN: 5331-01-039-7580
FSC Code: 5331
MPN: P100006155

5331-01-318-2279 (P-1000-016-155)

NIIN: 01-318-2279
In stock
NSN: 5331-01-318-2279
FSC Code: 5331
MPN: P1000016155

5331-01-036-5567 (P-1000-01)

NIIN: 01-036-5567
In stock
NSN: 5331-01-036-5567
FSC Code: 5331
MPN: P100001

5331-01-408-9524 (AS-172)

NIIN: 01-408-9524
In stock
NSN: 5331-01-408-9524
FSC Code: 5331
MPN: AS172

5331-00-405-6051 (P-1000-06)

NIIN: 00-405-6051
In stock
NSN: 5331-00-405-6051
FSC Code: 5331
MPN: P100006

5331-01-542-8080 (AS-145)

NIIN: 01-542-8080
In stock
NSN: 5331-01-542-8080
FSC Code: 5331
MPN: AS145

5331-01-296-2886 (P1)

NIIN: 01-296-2886
In stock
NSN: 5331-01-296-2886
FSC Code: 5331
MPN: P1

5331-01-046-7957 (P-083076-007)

NIIN: 01-046-7957
In stock
NSN: 5331-01-046-7957
FSC Code: 5331
MPN: P083076007

5331-01-367-6593 (AS111-04-3)

NIIN: 01-367-6593
In stock
NSN: 5331-01-367-6593
FSC Code: 5331
MPN: AS111043

5331-01-461-2377 (AS113-24-016)

NIIN: 01-461-2377
In stock
NSN: 5331-01-461-2377
FSC Code: 5331
MPN: AS11324016

5331-01-458-9466 (AS568-014-C90-90)

NIIN: 01-458-9466
In stock
NSN: 5331-01-458-9466
FSC Code: 5331
MPN: AS568014C9090

5331-01-036-7409 (P-049708-00017)

NIIN: 01-036-7409
In stock
NSN: 5331-01-036-7409
FSC Code: 5331
MPN: P04970800017

5331-01-483-2242 (NAS1594-016)

NIIN: 01-483-2242
In stock
NSN: 5331-01-483-2242
FSC Code: 5331
MPN: NAS1594016

5331-99-752-7592 (AS43013-020)

NIIN: 99-752-7592
In stock
NSN: 5331-99-752-7592
FSC Code: 5331
MPN: AS43013020

5331-01-439-2633 (MS33666-226)

NIIN: 01-439-2633
In stock
NSN: 5331-01-439-2633
FSC Code: 5331
MPN: MS33666226

5331-01-425-8649 (NF-4006-B)

NIIN: 01-425-8649
In stock
NSN: 5331-01-425-8649
FSC Code: 5331
MPN: NF4006B

5331-01-118-4962 (P04069-00)

NIIN: 01-118-4962
In stock
NSN: 5331-01-118-4962
FSC Code: 5331
MPN: P0406900

5331-01-439-2634 (AS568-114)

NIIN: 01-439-2634
In stock
NSN: 5331-01-439-2634
FSC Code: 5331
MPN: AS568114

5331-00-465-6656 (P049708-00122)

NIIN: 00-465-6656
In stock
NSN: 5331-00-465-6656
FSC Code: 5331
MPN: P04970800122

5331-01-203-0736 (P02916)

NIIN: 01-203-0736
In stock
NSN: 5331-01-203-0736
FSC Code: 5331
MPN: P02916

5331-01-515-8182 (ARP568-213B10)

NIIN: 01-515-8182
In stock
NSN: 5331-01-515-8182
FSC Code: 5331
MPN: ARP568213B10

5331-01-113-1126 (P02066)

NIIN: 01-113-1126
In stock
NSN: 5331-01-113-1126
FSC Code: 5331
MPN: P02066

5331-01-497-1739 (ARP568A282)

NIIN: 01-497-1739
In stock
NSN: 5331-01-497-1739
FSC Code: 5331
MPN: ARP568A282