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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.

5331-01-205-9809 (10163434)

NIIN: 01-205-9809
In stock
NSN: 5331-01-205-9809
FSC Code: 5331
MPN: 10163434

5331-01-142-4249 (10163430)

NIIN: 01-142-4249
In stock
NSN: 5331-01-142-4249
FSC Code: 5331
MPN: 10163430

5331-00-166-8415 (10163443)

NIIN: 00-166-8415
In stock
NSN: 5331-00-166-8415
FSC Code: 5331
MPN: 10163443

5331-01-306-9605 (10163439)

NIIN: 01-306-9605
In stock
NSN: 5331-01-306-9605
FSC Code: 5331
MPN: 10163439

5331-01-133-0532 (10163424)

NIIN: 01-133-0532
In stock
NSN: 5331-01-133-0532
FSC Code: 5331
MPN: 10163424

5331-00-067-6408 (10163858)

NIIN: 00-067-6408
In stock
NSN: 5331-00-067-6408
FSC Code: 5331
MPN: 10163858

5331-00-251-9367 (10163867)

NIIN: 00-251-9367
In stock
NSN: 5331-00-251-9367
FSC Code: 5331
MPN: 10163867

5331-00-250-0232 (10163866)

NIIN: 00-250-0232
In stock
NSN: 5331-00-250-0232
FSC Code: 5331
MPN: 10163866

5331-00-291-7337 (10163872)

NIIN: 00-291-7337
In stock
NSN: 5331-00-291-7337
FSC Code: 5331
MPN: 10163872

5331-00-132-6974 (10163859)

NIIN: 00-132-6974
In stock
NSN: 5331-00-132-6974
FSC Code: 5331
MPN: 10163859

5331-00-166-1066 (10163864)

NIIN: 00-166-1066
In stock
NSN: 5331-00-166-1066
FSC Code: 5331
MPN: 10163864

5331-00-288-1953 (10163871)

NIIN: 00-288-1953
In stock
NSN: 5331-00-288-1953
FSC Code: 5331
MPN: 10163871

5331-01-027-6448 (10163719)

NIIN: 01-027-6448
In stock
NSN: 5331-01-027-6448
FSC Code: 5331
MPN: 10163719

5331-00-964-0058 (10163884)

NIIN: 00-964-0058
In stock
NSN: 5331-00-964-0058
FSC Code: 5331
MPN: 10163884

5331-00-579-9833 (10163878)

NIIN: 00-579-9833
In stock
NSN: 5331-00-579-9833
FSC Code: 5331
MPN: 10163878

5331-00-759-1687 (10163880)

NIIN: 00-759-1687
In stock
NSN: 5331-00-759-1687
FSC Code: 5331
MPN: 10163880

5331-00-579-8156 (10163877)

NIIN: 00-579-8156
In stock
NSN: 5331-00-579-8156
FSC Code: 5331
MPN: 10163877

5331-00-283-4578 (10163870)

NIIN: 00-283-4578
In stock
NSN: 5331-00-283-4578
FSC Code: 5331
MPN: 10163870

5331-00-410-4887 (10163874)

NIIN: 00-410-4887
In stock
NSN: 5331-00-410-4887
FSC Code: 5331
MPN: 10163874

5331-00-251-9370 (10163868)

NIIN: 00-251-9370
In stock
NSN: 5331-00-251-9370
FSC Code: 5331
MPN: 10163868

5331-01-088-6873 (10163888)

NIIN: 01-088-6873
In stock
NSN: 5331-01-088-6873
FSC Code: 5331
MPN: 10163888

5331-01-131-1896 (10163891)

NIIN: 01-131-1896
In stock
NSN: 5331-01-131-1896
FSC Code: 5331
MPN: 10163891

5331-00-498-5733 (10163876)

NIIN: 00-498-5733
In stock
NSN: 5331-00-498-5733
FSC Code: 5331
MPN: 10163876

5331-00-631-1346 (10163879)

NIIN: 00-631-1346
In stock
NSN: 5331-00-631-1346
FSC Code: 5331
MPN: 10163879

5331-01-119-8755 (10163889)

NIIN: 01-119-8755
In stock
NSN: 5331-01-119-8755
FSC Code: 5331
MPN: 10163889

5331-01-209-0800 (10163894)

NIIN: 01-209-0800
In stock
NSN: 5331-01-209-0800
FSC Code: 5331
MPN: 10163894

5331-01-186-2053 (10163893)

NIIN: 01-186-2053
In stock
NSN: 5331-01-186-2053
FSC Code: 5331
MPN: 10163893

5331-01-185-2582 (10163892)

NIIN: 01-185-2582
In stock
NSN: 5331-01-185-2582
FSC Code: 5331
MPN: 10163892

5331-00-763-0074 (10163881)

NIIN: 00-763-0074
In stock
NSN: 5331-00-763-0074
FSC Code: 5331
MPN: 10163881

5331-00-435-5274 (10164282)

NIIN: 00-435-5274
In stock
NSN: 5331-00-435-5274
FSC Code: 5331
MPN: 10164282

5331-00-800-5182 (10172775)

NIIN: 00-800-5182
In stock
NSN: 5331-00-800-5182
FSC Code: 5331
MPN: 10172775

5331-00-816-3546 (10172803)

NIIN: 00-816-3546
In stock
NSN: 5331-00-816-3546
FSC Code: 5331
MPN: 10172803

5331-00-080-0811 (10172776)

NIIN: 00-080-0811
In stock
NSN: 5331-00-080-0811
FSC Code: 5331
MPN: 10172776

5331-00-279-9409 (10172782)

NIIN: 00-279-9409
In stock
NSN: 5331-00-279-9409
FSC Code: 5331
MPN: 10172782

5331-00-166-8392 (10172794)

NIIN: 00-166-8392
In stock
NSN: 5331-00-166-8392
FSC Code: 5331
MPN: 10172794

5331-01-044-2310 (10176991)

NIIN: 01-044-2310
In stock
NSN: 5331-01-044-2310
FSC Code: 5331
MPN: 10176991

5331-01-153-1242 (10176992)

NIIN: 01-153-1242
In stock
NSN: 5331-01-153-1242
FSC Code: 5331
MPN: 10176992

5331-00-405-2514 (10177857)

NIIN: 00-405-2514
In stock
NSN: 5331-00-405-2514
FSC Code: 5331
MPN: 10177857

5331-00-469-1201 (10177610)

NIIN: 00-469-1201
In stock
NSN: 5331-00-469-1201
FSC Code: 5331
MPN: 10177610

5331-00-759-2012 (10178832)

NIIN: 00-759-2012
In stock
NSN: 5331-00-759-2012
FSC Code: 5331
MPN: 10178832

5331-01-080-9231 (10182406)

NIIN: 01-080-9231
In stock
NSN: 5331-01-080-9231
FSC Code: 5331
MPN: 10182406

5331-01-264-0067 (10183226)

NIIN: 01-264-0067
In stock
NSN: 5331-01-264-0067
FSC Code: 5331
MPN: 10183226

5331-01-044-2851 (10183224)

NIIN: 01-044-2851
In stock
NSN: 5331-01-044-2851
FSC Code: 5331
MPN: 10183224

5331-00-926-4334 (10183622)

NIIN: 00-926-4334
In stock
NSN: 5331-00-926-4334
FSC Code: 5331
MPN: 10183622

5331-01-117-3472 (10183655)

NIIN: 01-117-3472
In stock
NSN: 5331-01-117-3472
FSC Code: 5331
MPN: 10183655

5331-00-401-4902 (10183666)

NIIN: 00-401-4902
In stock
NSN: 5331-00-401-4902
FSC Code: 5331
MPN: 10183666

5331-00-166-1055 (10186314)

NIIN: 00-166-1055
In stock
NSN: 5331-00-166-1055
FSC Code: 5331
MPN: 10186314

5331-00-167-5142 (10186308)

NIIN: 00-167-5142
In stock
NSN: 5331-00-167-5142
FSC Code: 5331
MPN: 10186308