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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.

5331-01-088-2746 (67V0239-02)

NIIN: 01-088-2746
In stock
NSN: 5331-01-088-2746
FSC Code: 5331
MPN: 67V023902

5331-00-181-4808 (67C62296-1)

NIIN: 00-181-4808
In stock
NSN: 5331-00-181-4808
FSC Code: 5331
MPN: 67C622961

5331-01-328-4157 (67945P0R8)

NIIN: 01-328-4157
In stock
NSN: 5331-01-328-4157
FSC Code: 5331
MPN: 67945P0R8

5331-01-365-1760 (296000-14)

NIIN: 01-365-1760
In stock
NSN: 5331-01-365-1760
FSC Code: 5331
MPN: 29600014

5331-00-958-2935 (67856-8)

NIIN: 00-958-2935
In stock
NSN: 5331-00-958-2935
FSC Code: 5331
MPN: 678568

5331-00-724-3551 (6784798-224)

NIIN: 00-724-3551
In stock
NSN: 5331-00-724-3551
FSC Code: 5331
MPN: 6784798224

5331-00-958-1236 (67856-11)

NIIN: 00-958-1236
In stock
NSN: 5331-00-958-1236
FSC Code: 5331
MPN: 6785611

5331-00-964-2742 (67856-10)

NIIN: 00-964-2742
In stock
NSN: 5331-00-964-2742
FSC Code: 5331
MPN: 6785610

5331-00-724-3539 (6784798-13)

NIIN: 00-724-3539
In stock
NSN: 5331-00-724-3539
FSC Code: 5331
MPN: 678479813

5331-00-763-9321 (6784798-160)

NIIN: 00-763-9321
In stock
NSN: 5331-00-763-9321
FSC Code: 5331
MPN: 6784798160

5331-00-724-3489 (6784798-8)

NIIN: 00-724-3489
In stock
NSN: 5331-00-724-3489
FSC Code: 5331
MPN: 67847988

5331-00-938-4225 (6784798-142)

NIIN: 00-938-4225
In stock
NSN: 5331-00-938-4225
FSC Code: 5331
MPN: 6784798142

5331-00-883-3209 (6784798-12)

NIIN: 00-883-3209
In stock
NSN: 5331-00-883-3209
FSC Code: 5331
MPN: 678479812

5331-00-725-4333 (6784798-10)

NIIN: 00-725-4333
In stock
NSN: 5331-00-725-4333
FSC Code: 5331
MPN: 678479810

5331-12-300-5404 (OR228-3WS857)

NIIN: 12-300-5404
In stock
NSN: 5331-12-300-5404
FSC Code: 5331
MPN: OR2283WS857

5331-00-338-4660 (6776JRBB11527)

NIIN: 00-338-4660
In stock
NSN: 5331-00-338-4660
FSC Code: 5331
MPN: 6776JRBB11527

5331-01-565-9207 (294-5060)

NIIN: 01-565-9207
In stock
NSN: 5331-01-565-9207
FSC Code: 5331
MPN: 2945060

5331-01-454-5987 (2938-69)

NIIN: 01-454-5987
In stock
NSN: 5331-01-454-5987
FSC Code: 5331
MPN: 293869

5331-01-458-2626 (2938-68)

NIIN: 01-458-2626
In stock
NSN: 5331-01-458-2626
FSC Code: 5331
MPN: 293868

5331-01-454-5988 (2938-217)

NIIN: 01-454-5988
In stock
NSN: 5331-01-454-5988
FSC Code: 5331
MPN: 2938217

5331-01-454-5989 (2938-136)

NIIN: 01-454-5989
In stock
NSN: 5331-01-454-5989
FSC Code: 5331
MPN: 2938136

5331-01-492-4361 (40H50PC33)

NIIN: 01-492-4361
In stock
NSN: 5331-01-492-4361
FSC Code: 5331
MPN: 40H50PC33

5331-01-338-6657 (676-1476-512)

NIIN: 01-338-6657
In stock
NSN: 5331-01-338-6657
FSC Code: 5331
MPN: 6761476512

5331-00-945-7686 (67612REVA-PIECE)

NIIN: 00-945-7686
In stock
NSN: 5331-00-945-7686
FSC Code: 5331
MPN: 67612REVAPIECE

5331-01-285-6882 (676-00910)

NIIN: 01-285-6882
In stock
NSN: 5331-01-285-6882
FSC Code: 5331
MPN: 67600910

5331-01-009-7040 (676-00238)

NIIN: 01-009-7040
In stock
NSN: 5331-01-009-7040
FSC Code: 5331
MPN: 67600238

5331-01-009-6590 (676-00906)

NIIN: 01-009-6590
In stock
NSN: 5331-01-009-6590
FSC Code: 5331
MPN: 67600906

5331-01-009-7041 (676-00259)

NIIN: 01-009-7041
In stock
NSN: 5331-01-009-7041
FSC Code: 5331
MPN: 67600259

5331-01-285-9258 (676-00903)

NIIN: 01-285-9258
In stock
NSN: 5331-01-285-9258
FSC Code: 5331
MPN: 67600903

5331-01-285-6880 (676-00244)

NIIN: 01-285-6880
In stock
NSN: 5331-01-285-6880
FSC Code: 5331
MPN: 67600244

5331-01-031-7108 (676-00222)

NIIN: 01-031-7108
In stock
NSN: 5331-01-031-7108
FSC Code: 5331
MPN: 67600222

5331-01-285-9259 (676-00225)

NIIN: 01-285-9259
In stock
NSN: 5331-01-285-9259
FSC Code: 5331
MPN: 67600225

5331-01-285-6881 (676-00229)

NIIN: 01-285-6881
In stock
NSN: 5331-01-285-6881
FSC Code: 5331
MPN: 67600229

5331-01-014-4191 (676-00230)

NIIN: 01-014-4191
In stock
NSN: 5331-01-014-4191
FSC Code: 5331
MPN: 67600230

5331-01-285-9257 (676-00210)

NIIN: 01-285-9257
In stock
NSN: 5331-01-285-9257
FSC Code: 5331
MPN: 67600210

5331-01-539-6412 (293-22101-777-0440)

NIIN: 01-539-6412
In stock
NSN: 5331-01-539-6412
FSC Code: 5331
MPN: 293221017770440

5331-01-304-9282 (6-754-000105)

NIIN: 01-304-9282
In stock
NSN: 5331-01-304-9282
FSC Code: 5331
MPN: 6754000105

5331-00-890-5838 (67500-44)

NIIN: 00-890-5838
In stock
NSN: 5331-00-890-5838
FSC Code: 5331
MPN: 6750044

5331-01-304-3461 (67500-5)

NIIN: 01-304-3461
In stock
NSN: 5331-01-304-3461
FSC Code: 5331
MPN: 675005

5331-01-220-2390 (675-00908)

NIIN: 01-220-2390
In stock
NSN: 5331-01-220-2390
FSC Code: 5331
MPN: 67500908

5331-01-280-6785 (67500-98)

NIIN: 01-280-6785
In stock
NSN: 5331-01-280-6785
FSC Code: 5331
MPN: 6750098

5331-01-254-1382 (67500-30)

NIIN: 01-254-1382
In stock
NSN: 5331-01-254-1382
FSC Code: 5331
MPN: 6750030

5331-01-282-2693 (67500-56)

NIIN: 01-282-2693
In stock
NSN: 5331-01-282-2693
FSC Code: 5331
MPN: 6750056

5331-01-214-4882 (675-00259)

NIIN: 01-214-4882
In stock
NSN: 5331-01-214-4882
FSC Code: 5331
MPN: 67500259

5331-01-295-6759 (67500-102)

NIIN: 01-295-6759
In stock
NSN: 5331-01-295-6759
FSC Code: 5331
MPN: 67500102

5331-01-276-8426 (67500-114)

NIIN: 01-276-8426
In stock
NSN: 5331-01-276-8426
FSC Code: 5331
MPN: 67500114

5331-00-890-5836 (67500-16)

NIIN: 00-890-5836
In stock
NSN: 5331-00-890-5836
FSC Code: 5331
MPN: 6750016

5331-01-140-8108 (675-00244)

NIIN: 01-140-8108
In stock
NSN: 5331-01-140-8108
FSC Code: 5331
MPN: 67500244