Skip to content

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.

5331-00-802-3395 (694948137)

NIIN: 00-802-3395
In stock
NSN: 5331-00-802-3395
FSC Code: 5331
MPN: 694948137

5331-01-186-3498 (695002250)

NIIN: 01-186-3498
In stock
NSN: 5331-01-186-3498
FSC Code: 5331
MPN: 695002250

5331-01-085-6978 (704540708)

NIIN: 01-085-6978
In stock
NSN: 5331-01-085-6978
FSC Code: 5331
MPN: 704540708

5331-00-167-6519 (750030428)

NIIN: 00-167-6519
In stock
NSN: 5331-00-167-6519
FSC Code: 5331
MPN: 750030428

5331-00-167-6520 (750030163)

NIIN: 00-167-6520
In stock
NSN: 5331-00-167-6520
FSC Code: 5331
MPN: 750030163

5331-00-167-6540 (750030504)

NIIN: 00-167-6540
In stock
NSN: 5331-00-167-6540
FSC Code: 5331
MPN: 750030504

5331-00-167-6522 (750030701)

NIIN: 00-167-6522
In stock
NSN: 5331-00-167-6522
FSC Code: 5331
MPN: 750030701

5331-01-194-4709 (750420105)

NIIN: 01-194-4709
In stock
NSN: 5331-01-194-4709
FSC Code: 5331
MPN: 750420105

5331-01-208-9798 (750350334)

NIIN: 01-208-9798
In stock
NSN: 5331-01-208-9798
FSC Code: 5331
MPN: 750350334

5331-01-194-4710 (750420107)

NIIN: 01-194-4710
In stock
NSN: 5331-01-194-4710
FSC Code: 5331
MPN: 750420107

5331-01-195-6537 (750420308)

NIIN: 01-195-6537
In stock
NSN: 5331-01-195-6537
FSC Code: 5331
MPN: 750420308

5331-01-207-9139 (750420127)

NIIN: 01-207-9139
In stock
NSN: 5331-01-207-9139
FSC Code: 5331
MPN: 750420127

5331-01-191-6070 (750420132)

NIIN: 01-191-6070
In stock
NSN: 5331-01-191-6070
FSC Code: 5331
MPN: 750420132

5331-01-204-3189 (750420313)

NIIN: 01-204-3189
In stock
NSN: 5331-01-204-3189
FSC Code: 5331
MPN: 750420313

5331-01-195-4869 (750420304)

NIIN: 01-195-4869
In stock
NSN: 5331-01-195-4869
FSC Code: 5331
MPN: 750420304

5331-01-195-6540 (750420317)

NIIN: 01-195-6540
In stock
NSN: 5331-01-195-6540
FSC Code: 5331
MPN: 750420317

5331-01-193-9381 (750420134)

NIIN: 01-193-9381
In stock
NSN: 5331-01-193-9381
FSC Code: 5331
MPN: 750420134

5331-01-195-8881 (750420326)

NIIN: 01-195-8881
In stock
NSN: 5331-01-195-8881
FSC Code: 5331
MPN: 750420326

5331-01-195-8880 (750420307)

NIIN: 01-195-8880
In stock
NSN: 5331-01-195-8880
FSC Code: 5331
MPN: 750420307

5331-01-191-6071 (750420342)

NIIN: 01-191-6071
In stock
NSN: 5331-01-191-6071
FSC Code: 5331
MPN: 750420342

5331-01-195-8882 (750420406)

NIIN: 01-195-8882
In stock
NSN: 5331-01-195-8882
FSC Code: 5331
MPN: 750420406

5331-01-195-4870 (750420411)

NIIN: 01-195-4870
In stock
NSN: 5331-01-195-4870
FSC Code: 5331
MPN: 750420411

5331-01-195-6538 (750420425)

NIIN: 01-195-6538
In stock
NSN: 5331-01-195-6538
FSC Code: 5331
MPN: 750420425

5331-01-200-6877 (750420414)

NIIN: 01-200-6877
In stock
NSN: 5331-01-200-6877
FSC Code: 5331
MPN: 750420414

5331-01-191-6069 (750420131)

NIIN: 01-191-6069
In stock
NSN: 5331-01-191-6069
FSC Code: 5331
MPN: 750420131

5331-01-190-5654 (750420320)

NIIN: 01-190-5654
In stock
NSN: 5331-01-190-5654
FSC Code: 5331
MPN: 750420320

5331-01-195-4871 (750420511)

NIIN: 01-195-4871
In stock
NSN: 5331-01-195-4871
FSC Code: 5331
MPN: 750420511

5331-01-191-6072 (750420708)

NIIN: 01-191-6072
In stock
NSN: 5331-01-191-6072
FSC Code: 5331
MPN: 750420708

5331-01-195-7863 (750420702)

NIIN: 01-195-7863
In stock
NSN: 5331-01-195-7863
FSC Code: 5331
MPN: 750420702

5331-01-195-5615 (750420523)

NIIN: 01-195-5615
In stock
NSN: 5331-01-195-5615
FSC Code: 5331
MPN: 750420523

5331-01-195-6539 (750420841)

NIIN: 01-195-6539
In stock
NSN: 5331-01-195-6539
FSC Code: 5331
MPN: 750420841

5331-01-195-6541 (750420712)

NIIN: 01-195-6541
In stock
NSN: 5331-01-195-6541
FSC Code: 5331
MPN: 750420712

5331-01-204-3870 (750420812)

NIIN: 01-204-3870
In stock
NSN: 5331-01-204-3870
FSC Code: 5331
MPN: 750420812

5331-01-195-7862 (750420513)

NIIN: 01-195-7862
In stock
NSN: 5331-01-195-7862
FSC Code: 5331
MPN: 750420513

5331-01-204-3190 (750420853)

NIIN: 01-204-3190
In stock
NSN: 5331-01-204-3190
FSC Code: 5331
MPN: 750420853

5331-01-071-4625 (750430705)

NIIN: 01-071-4625
In stock
NSN: 5331-01-071-4625
FSC Code: 5331
MPN: 750430705

5331-01-191-6073 (750420710)

NIIN: 01-191-6073
In stock
NSN: 5331-01-191-6073
FSC Code: 5331
MPN: 750420710

5331-01-158-6441 (801087008)

NIIN: 01-158-6441
In stock
NSN: 5331-01-158-6441
FSC Code: 5331
MPN: 801087008

5331-01-158-6442 (801087010)

NIIN: 01-158-6442
In stock
NSN: 5331-01-158-6442
FSC Code: 5331
MPN: 801087010

5331-01-154-0653 (853181706)

NIIN: 01-154-0653
In stock
NSN: 5331-01-154-0653
FSC Code: 5331
MPN: 853181706

5331-01-019-4313 (855011005)

NIIN: 01-019-4313
In stock
NSN: 5331-01-019-4313
FSC Code: 5331
MPN: 855011005

5331-01-017-3926 (855019015)

NIIN: 01-017-3926
In stock
NSN: 5331-01-017-3926
FSC Code: 5331
MPN: 855019015

5331-00-070-2039 (855011006)

NIIN: 00-070-2039
In stock
NSN: 5331-00-070-2039
FSC Code: 5331
MPN: 855011006

5331-01-137-6901 (870302704)

NIIN: 01-137-6901
In stock
NSN: 5331-01-137-6901
FSC Code: 5331
MPN: 870302704

5331-01-137-6900 (870386601)

NIIN: 01-137-6900
In stock
NSN: 5331-01-137-6900
FSC Code: 5331
MPN: 870386601

5331-01-150-1146 (870874201)

NIIN: 01-150-1146
In stock
NSN: 5331-01-150-1146
FSC Code: 5331
MPN: 870874201

5331-01-137-6902 (870302703)

NIIN: 01-137-6902
In stock
NSN: 5331-01-137-6902
FSC Code: 5331
MPN: 870302703

5331-01-137-6897 (870327401)

NIIN: 01-137-6897
In stock
NSN: 5331-01-137-6897
FSC Code: 5331
MPN: 870327401