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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.

5331-01-285-5900 (RFV240-7)

NIIN: 01-285-5900
In stock
NSN: 5331-01-285-5900
FSC Code: 5331
MPN: RFV2407

5331-01-487-4537 (C02495A235308)

NIIN: 01-487-4537
In stock
NSN: 5331-01-487-4537
FSC Code: 5331
MPN: C02495A235308

5331-01-319-8522 (RFD-240-PIECE)

NIIN: 01-319-8522
In stock
NSN: 5331-01-319-8522
FSC Code: 5331
MPN: RFD240PIECE

5331-01-537-0493 (C02734)

NIIN: 01-537-0493
In stock
NSN: 5331-01-537-0493
FSC Code: 5331
MPN: C02734

5331-01-487-5047 (C02495A1465304)

NIIN: 01-487-5047
In stock
NSN: 5331-01-487-5047
FSC Code: 5331
MPN: C02495A1465304

5331-01-487-5043 (C0249A2205304)

NIIN: 01-487-5043
In stock
NSN: 5331-01-487-5043
FSC Code: 5331
MPN: C0249A2205304

5331-01-487-4564 (C02495A205304)

NIIN: 01-487-4564
In stock
NSN: 5331-01-487-4564
FSC Code: 5331
MPN: C02495A205304

5331-01-487-4560 (C02495A2365302)

NIIN: 01-487-4560
In stock
NSN: 5331-01-487-4560
FSC Code: 5331
MPN: C02495A2365302

5331-01-487-4567 (C02495A245304)

NIIN: 01-487-4567
In stock
NSN: 5331-01-487-4567
FSC Code: 5331
MPN: C02495A245304

5331-01-313-7876 (RF240-PC7)

NIIN: 01-313-7876
In stock
NSN: 5331-01-313-7876
FSC Code: 5331
MPN: RF240PC7

5331-01-313-7877 (RF240-PC6)

NIIN: 01-313-7877
In stock
NSN: 5331-01-313-7877
FSC Code: 5331
MPN: RF240PC6

5331-00-808-4547 (REA10083-16)

NIIN: 00-808-4547
In stock
NSN: 5331-00-808-4547
FSC Code: 5331
MPN: REA1008316

5331-00-435-5086 (REA10083-19REVK)

NIIN: 00-435-5086
In stock
NSN: 5331-00-435-5086
FSC Code: 5331
MPN: REA1008319REVK

5331-01-191-7219 (READINESS)

NIIN: 01-191-7219
In stock
NSN: 5331-01-191-7219
FSC Code: 5331
MPN: READINESS

5331-01-487-3096 (C0036568P)

NIIN: 01-487-3096
In stock
NSN: 5331-01-487-3096
FSC Code: 5331
MPN: C0036568P

5331-00-599-0948 (RE49F203JPT3)

NIIN: 00-599-0948
In stock
NSN: 5331-00-599-0948
FSC Code: 5331
MPN: RE49F203JPT3

5331-01-213-0973 (RD262-4015-0212)

NIIN: 01-213-0973
In stock
NSN: 5331-01-213-0973
FSC Code: 5331
MPN: RD26240150212

5331-01-351-7619 (BVP-ACT-86-6)

NIIN: 01-351-7619
In stock
NSN: 5331-01-351-7619
FSC Code: 5331
MPN: BVPACT866

5331-01-212-0832 (RD262-3003-0004)

NIIN: 01-212-0832
In stock
NSN: 5331-01-212-0832
FSC Code: 5331
MPN: RD26230030004

5331-01-212-0831 (RD262-4015-0216)

NIIN: 01-212-0831
In stock
NSN: 5331-01-212-0831
FSC Code: 5331
MPN: RD26240150216

5331-01-212-0830 (RD262-4015-0124)

NIIN: 01-212-0830
In stock
NSN: 5331-01-212-0830
FSC Code: 5331
MPN: RD26240150124

5331-01-212-0833 (RD262-4015-0007)

NIIN: 01-212-0833
In stock
NSN: 5331-01-212-0833
FSC Code: 5331
MPN: RD26240150007

5331-01-351-7620 (BVP-ACT-86-28)

NIIN: 01-351-7620
In stock
NSN: 5331-01-351-7620
FSC Code: 5331
MPN: BVPACT8628

5331-01-351-7617 (BVP-ACT-86-16)

NIIN: 01-351-7617
In stock
NSN: 5331-01-351-7617
FSC Code: 5331
MPN: BVPACT8616

5331-01-351-7616 (BVP-ACTUC-18)

NIIN: 01-351-7616
In stock
NSN: 5331-01-351-7616
FSC Code: 5331
MPN: BVPACTUC18

5331-01-351-7618 (BVP-ACT-86-10)

NIIN: 01-351-7618
In stock
NSN: 5331-01-351-7618
FSC Code: 5331
MPN: BVPACT8610

5331-01-367-1660 (PVWH-34-LSAY-CNNN-356)

NIIN: 01-367-1660
In stock
NSN: 5331-01-367-1660
FSC Code: 5331
MPN: PVWH34LSAYCNNN356

5331-01-445-0298 (O-BUNA)

NIIN: 01-445-0298
In stock
NSN: 5331-01-445-0298
FSC Code: 5331
MPN: OBUNA

5331-01-367-2354 (PVWH-34-LSAY-CF-379)

NIIN: 01-367-2354
In stock
NSN: 5331-01-367-2354
FSC Code: 5331
MPN: PVWH34LSAYCF379

5331-01-367-2350 (PVWH-34-LSAY-CF-28)

NIIN: 01-367-2350
In stock
NSN: 5331-01-367-2350
FSC Code: 5331
MPN: PVWH34LSAYCF28

5331-01-367-2351 (PVWH-34-LSAY-CF-185)

NIIN: 01-367-2351
In stock
NSN: 5331-01-367-2351
FSC Code: 5331
MPN: PVWH34LSAYCF185

5331-01-367-2349 (PVWH-34-LSAY-CF-23)

NIIN: 01-367-2349
In stock
NSN: 5331-01-367-2349
FSC Code: 5331
MPN: PVWH34LSAYCF23

5331-01-367-6348 (PVWH-34-LSAY-CF-376)

NIIN: 01-367-6348
In stock
NSN: 5331-01-367-6348
FSC Code: 5331
MPN: PVWH34LSAYCF376

5331-01-367-2353 (PVWH-34-LSAY-CNNN-375)

NIIN: 01-367-2353
In stock
NSN: 5331-01-367-2353
FSC Code: 5331
MPN: PVWH34LSAYCNNN375

5331-01-367-1661 (PVWH-34-LSAY-CNNN-380)

NIIN: 01-367-1661
In stock
NSN: 5331-01-367-1661
FSC Code: 5331
MPN: PVWH34LSAYCNNN380

5331-01-367-2352 (PVWH-34-LSAY-CNNN-355)

NIIN: 01-367-2352
In stock
NSN: 5331-01-367-2352
FSC Code: 5331
MPN: PVWH34LSAYCNNN355

5331-01-367-2355 (PVWH-34-LSAY-CF-393)

NIIN: 01-367-2355
In stock
NSN: 5331-01-367-2355
FSC Code: 5331
MPN: PVWH34LSAYCF393

5331-01-546-8845 (BU00218)

NIIN: 01-546-8845
In stock
NSN: 5331-01-546-8845
FSC Code: 5331
MPN: BU00218

5331-01-546-8850 (BU00220)

NIIN: 01-546-8850
In stock
NSN: 5331-01-546-8850
FSC Code: 5331
MPN: BU00220

5331-00-854-1495 (RC7168)

NIIN: 00-854-1495
In stock
NSN: 5331-00-854-1495
FSC Code: 5331
MPN: RC7168

5331-14-383-0794 (BT82-4)

NIIN: 14-383-0794
In stock
NSN: 5331-14-383-0794
FSC Code: 5331
MPN: BT824

5331-14-383-0793 (BT8-17)

NIIN: 14-383-0793
In stock
NSN: 5331-14-383-0793
FSC Code: 5331
MPN: BT817

5331-01-217-6999 (RC-4204-H)

NIIN: 01-217-6999
In stock
NSN: 5331-01-217-6999
FSC Code: 5331
MPN: RC4204H

5331-14-383-0792 (BT63-4)

NIIN: 14-383-0792
In stock
NSN: 5331-14-383-0792
FSC Code: 5331
MPN: BT634

5331-14-216-2049 (DW1213)

NIIN: 14-216-2049
In stock
NSN: 5331-14-216-2049
FSC Code: 5331
MPN: DW1213

5331-14-308-0030 (BT53-1)

NIIN: 14-308-0030
In stock
NSN: 5331-14-308-0030
FSC Code: 5331
MPN: BT531

5331-01-218-9477 (RC-4293-H)

NIIN: 01-218-9477
In stock
NSN: 5331-01-218-9477
FSC Code: 5331
MPN: RC4293H

5331-14-279-6112 (BT69-1)

NIIN: 14-279-6112
In stock
NSN: 5331-14-279-6112
FSC Code: 5331
MPN: BT691