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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.

5331-01-094-3585 (5M94)

NIIN: 01-094-3585
In stock
NSN: 5331-01-094-3585
FSC Code: 5331
MPN: 5M94

5331-00-241-0143 (5M7329)

NIIN: 00-241-0143
In stock
NSN: 5331-00-241-0143
FSC Code: 5331
MPN: 5M7329

5331-01-490-0784 (MS9386-217)

NIIN: 01-490-0784
In stock
NSN: 5331-01-490-0784
FSC Code: 5331
MPN: MS9386217

5331-01-459-2167 (22-17001)

NIIN: 01-459-2167
In stock
NSN: 5331-01-459-2167
FSC Code: 5331
MPN: 2217001

5331-01-366-4814 (2-216KB163-90)

NIIN: 01-366-4814
In stock
NSN: 5331-01-366-4814
FSC Code: 5331
MPN: 2216KB16390

5331-01-478-4919 (7298767PC25)

NIIN: 01-478-4919
In stock
NSN: 5331-01-478-4919
FSC Code: 5331
MPN: 7298767PC25

5331-01-519-0582 (2-216V884-75)

NIIN: 01-519-0582
In stock
NSN: 5331-01-519-0582
FSC Code: 5331
MPN: 2216V88475

5331-01-371-0455 (2-216-N300-90)

NIIN: 01-371-0455
In stock
NSN: 5331-01-371-0455
FSC Code: 5331
MPN: 2216N30090

5331-01-518-8473 (2-216E515-80(PSNS))

NIIN: 01-518-8473
In stock
NSN: 5331-01-518-8473
FSC Code: 5331
MPN: 2216E51580PSNS

5331-00-945-4465 (5M6200)

NIIN: 00-945-4465
In stock
NSN: 5331-00-945-4465
FSC Code: 5331
MPN: 5M6200

5331-01-522-2445 (2215B-018-60)

NIIN: 01-522-2445
In stock
NSN: 5331-01-522-2445
FSC Code: 5331
MPN: 2215B01860

5331-01-449-7158 (2-215-B612-70)

NIIN: 01-449-7158
In stock
NSN: 5331-01-449-7158
FSC Code: 5331
MPN: 2215B61270

5331-01-522-2266 (2215B-018)

NIIN: 01-522-2266
In stock
NSN: 5331-01-522-2266
FSC Code: 5331
MPN: 2215B018

5331-01-522-2437 (2215B-018-59)

NIIN: 01-522-2437
In stock
NSN: 5331-01-522-2437
FSC Code: 5331
MPN: 2215B01859

5331-01-522-2432 (2215B-018-58)

NIIN: 01-522-2432
In stock
NSN: 5331-01-522-2432
FSC Code: 5331
MPN: 2215B01858

5331-01-522-2458 (2215B-018-61)

NIIN: 01-522-2458
In stock
NSN: 5331-01-522-2458
FSC Code: 5331
MPN: 2215B01861

5331-01-522-2387 (2215B-018-57)

NIIN: 01-522-2387
In stock
NSN: 5331-01-522-2387
FSC Code: 5331
MPN: 2215B01857

5331-01-388-9201 (5331PL0658548)

NIIN: 01-388-9201
In stock
NSN: 5331-01-388-9201
FSC Code: 5331
MPN: 5331PL0658548

5331-01-518-8471 (2-214E515-80(PSNS))

NIIN: 01-518-8471
In stock
NSN: 5331-01-518-8471
FSC Code: 5331
MPN: 2214E51580PSNS

5331-01-487-4328 (2-214S469-40)

NIIN: 01-487-4328
In stock
NSN: 5331-01-487-4328
FSC Code: 5331
MPN: 2214S46940

5331-01-544-2962 (2-214E652-90)

NIIN: 01-544-2962
In stock
NSN: 5331-01-544-2962
FSC Code: 5331
MPN: 2214E65290

5331-01-540-8259 (2-214E515-80)

NIIN: 01-540-8259
In stock
NSN: 5331-01-540-8259
FSC Code: 5331
MPN: 2214E51580

5331-01-377-9923 (AS568-214/AMS-P-5315)

NIIN: 01-377-9923
In stock
NSN: 5331-01-377-9923
FSC Code: 5331
MPN: AS568214AMSP5315

5331-01-392-2886 (2-213-V884-75)

NIIN: 01-392-2886
In stock
NSN: 5331-01-392-2886
FSC Code: 5331
MPN: 2213V88475

5331-01-443-9282 (PRP213COMP19457)

NIIN: 01-443-9282
In stock
NSN: 5331-01-443-9282
FSC Code: 5331
MPN: PRP213COMP19457

5331-00-074-3770 (5M1868)

NIIN: 00-074-3770
In stock
NSN: 5331-00-074-3770
FSC Code: 5331
MPN: 5M1868

5331-01-185-2572 (5M-130)

NIIN: 01-185-2572
In stock
NSN: 5331-01-185-2572
FSC Code: 5331
MPN: 5M130

5331-01-523-7141 (2-213-N1470-70)

NIIN: 01-523-7141
In stock
NSN: 5331-01-523-7141
FSC Code: 5331
MPN: 2213N147070

5331-01-535-0380 (306-102)

NIIN: 01-535-0380
In stock
NSN: 5331-01-535-0380
FSC Code: 5331
MPN: 306102

5331-01-365-3147 (2212N-9)

NIIN: 01-365-3147
In stock
NSN: 5331-01-365-3147
FSC Code: 5331
MPN: 2212N9

5331-01-459-2164 (22-13003)

NIIN: 01-459-2164
In stock
NSN: 5331-01-459-2164
FSC Code: 5331
MPN: 2213003

5331-01-422-2888 (605-00026-8)

NIIN: 01-422-2888
In stock
NSN: 5331-01-422-2888
FSC Code: 5331
MPN: 605000268

5331-01-518-8462 (2-212E515-80(PSNS))

NIIN: 01-518-8462
In stock
NSN: 5331-01-518-8462
FSC Code: 5331
MPN: 2212E51580PSNS

5331-01-349-0663 (NAS1601-212)

NIIN: 01-349-0663
In stock
NSN: 5331-01-349-0663
FSC Code: 5331
MPN: NAS1601212

5331-00-931-6748 (5M.3882.220.03)

NIIN: 00-931-6748
In stock
NSN: 5331-00-931-6748
FSC Code: 5331
MPN: 5M388222003

5331-01-465-0993 (2-210N70)

NIIN: 01-465-0993
In stock
NSN: 5331-01-465-0993
FSC Code: 5331
MPN: 2210N70

5331-01-369-5501 (2-210V747-75)

NIIN: 01-369-5501
In stock
NSN: 5331-01-369-5501
FSC Code: 5331
MPN: 2210V74775

5331-01-376-9634 (2-210A)

NIIN: 01-376-9634
In stock
NSN: 5331-01-376-9634
FSC Code: 5331
MPN: 2210A

5331-00-074-3776 (5L7737)

NIIN: 00-074-3776
In stock
NSN: 5331-00-074-3776
FSC Code: 5331
MPN: 5L7737

5331-01-543-8895 (2-210V-90)

NIIN: 01-543-8895
In stock
NSN: 5331-01-543-8895
FSC Code: 5331
MPN: 2210V90

5331-01-518-8461 (2-210E515-80(PSNS))

NIIN: 01-518-8461
In stock
NSN: 5331-01-518-8461
FSC Code: 5331
MPN: 2210E51580PSNS

5331-01-540-8258 (2-210E515-80)

NIIN: 01-540-8258
In stock
NSN: 5331-01-540-8258
FSC Code: 5331
MPN: 2210E51580

5331-00-074-3771 (5L5032)

NIIN: 00-074-3771
In stock
NSN: 5331-00-074-3771
FSC Code: 5331
MPN: 5L5032

5331-01-501-4863 (AS-568A-158)

NIIN: 01-501-4863
In stock
NSN: 5331-01-501-4863
FSC Code: 5331
MPN: AS568A158

5331-01-497-9538 (2-210-47-071)

NIIN: 01-497-9538
In stock
NSN: 5331-01-497-9538
FSC Code: 5331
MPN: 221047071

5331-01-392-5755 (2210076-001)

NIIN: 01-392-5755
In stock
NSN: 5331-01-392-5755
FSC Code: 5331
MPN: 2210076001

5331-12-325-5596 (700429220001)

NIIN: 12-325-5596
In stock
NSN: 5331-12-325-5596
FSC Code: 5331
MPN: 700429220001

5331-01-519-7987 (2-209)

NIIN: 01-519-7987
In stock
NSN: 5331-01-519-7987
FSC Code: 5331
MPN: 2209