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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.

5331-00-450-7390 (10501649)

NIIN: 00-450-7390
In stock
NSN: 5331-00-450-7390
FSC Code: 5331
MPN: 10501649

5331-01-196-7976 (10501859)

NIIN: 01-196-7976
In stock
NSN: 5331-01-196-7976
FSC Code: 5331
MPN: 10501859

5331-00-992-8569 (10501843)

NIIN: 00-992-8569
In stock
NSN: 5331-00-992-8569
FSC Code: 5331
MPN: 10501843

5331-01-179-9130 (10501944)

NIIN: 01-179-9130
In stock
NSN: 5331-01-179-9130
FSC Code: 5331
MPN: 10501944

5331-01-154-7719 (10501952)

NIIN: 01-154-7719
In stock
NSN: 5331-01-154-7719
FSC Code: 5331
MPN: 10501952

5331-01-181-4117 (10501915)

NIIN: 01-181-4117
In stock
NSN: 5331-01-181-4117
FSC Code: 5331
MPN: 10501915

5331-01-154-7720 (10501953)

NIIN: 01-154-7720
In stock
NSN: 5331-01-154-7720
FSC Code: 5331
MPN: 10501953

5331-01-179-9129 (10501956)

NIIN: 01-179-9129
In stock
NSN: 5331-01-179-9129
FSC Code: 5331
MPN: 10501956

5331-01-179-4249 (10502112)

NIIN: 01-179-4249
In stock
NSN: 5331-01-179-4249
FSC Code: 5331
MPN: 10502112

5331-01-164-5829 (10502141)

NIIN: 01-164-5829
In stock
NSN: 5331-01-164-5829
FSC Code: 5331
MPN: 10502141

5331-01-020-2315 (10502927)

NIIN: 01-020-2315
In stock
NSN: 5331-01-020-2315
FSC Code: 5331
MPN: 10502927

5331-00-978-0882 (10502927)

NIIN: 00-978-0882
In stock
NSN: 5331-00-978-0882
FSC Code: 5331
MPN: 10502927

5331-01-164-3356 (10505064)

NIIN: 01-164-3356
In stock
NSN: 5331-01-164-3356
FSC Code: 5331
MPN: 10505064

5331-01-164-3354 (10505059)

NIIN: 01-164-3354
In stock
NSN: 5331-01-164-3354
FSC Code: 5331
MPN: 10505059

5331-01-157-8929 (10505530)

NIIN: 01-157-8929
In stock
NSN: 5331-01-157-8929
FSC Code: 5331
MPN: 10505530

5331-01-157-6233 (10505490)

NIIN: 01-157-6233
In stock
NSN: 5331-01-157-6233
FSC Code: 5331
MPN: 10505490

5331-01-164-3355 (10505061)

NIIN: 01-164-3355
In stock
NSN: 5331-01-164-3355
FSC Code: 5331
MPN: 10505061

5331-01-107-9903 (10505441)

NIIN: 01-107-9903
In stock
NSN: 5331-01-107-9903
FSC Code: 5331
MPN: 10505441

5331-01-157-6234 (10505538)

NIIN: 01-157-6234
In stock
NSN: 5331-01-157-6234
FSC Code: 5331
MPN: 10505538

5331-00-892-4117 (10505762)

NIIN: 00-892-4117
In stock
NSN: 5331-00-892-4117
FSC Code: 5331
MPN: 10505762

5331-00-838-6729 (10505765)

NIIN: 00-838-6729
In stock
NSN: 5331-00-838-6729
FSC Code: 5331
MPN: 10505765

5331-00-225-0707 (10510327)

NIIN: 00-225-0707
In stock
NSN: 5331-00-225-0707
FSC Code: 5331
MPN: 10510327

5331-01-160-9852 (10510343)

NIIN: 01-160-9852
In stock
NSN: 5331-01-160-9852
FSC Code: 5331
MPN: 10510343

5331-00-811-0688 (10510336)

NIIN: 00-811-0688
In stock
NSN: 5331-00-811-0688
FSC Code: 5331
MPN: 10510336

5331-00-883-2799 (10510497)

NIIN: 00-883-2799
In stock
NSN: 5331-00-883-2799
FSC Code: 5331
MPN: 10510497

5331-01-067-8567 (10510419)

NIIN: 01-067-8567
In stock
NSN: 5331-01-067-8567
FSC Code: 5331
MPN: 10510419

5331-00-085-3494 (10510501)

NIIN: 00-085-3494
In stock
NSN: 5331-00-085-3494
FSC Code: 5331
MPN: 10510501

5331-01-124-5720 (10510529)

NIIN: 01-124-5720
In stock
NSN: 5331-01-124-5720
FSC Code: 5331
MPN: 10510529

5331-00-311-9234 (10510523)

NIIN: 00-311-9234
In stock
NSN: 5331-00-311-9234
FSC Code: 5331
MPN: 10510523

5331-01-126-1233 (10510510)

NIIN: 01-126-1233
In stock
NSN: 5331-01-126-1233
FSC Code: 5331
MPN: 10510510

5331-01-123-4536 (10510532)

NIIN: 01-123-4536
In stock
NSN: 5331-01-123-4536
FSC Code: 5331
MPN: 10510532

5331-01-132-4734 (10510534)

NIIN: 01-132-4734
In stock
NSN: 5331-01-132-4734
FSC Code: 5331
MPN: 10510534

5331-00-465-6453 (10510524)

NIIN: 00-465-6453
In stock
NSN: 5331-00-465-6453
FSC Code: 5331
MPN: 10510524

5331-01-161-7704 (10510586)

NIIN: 01-161-7704
In stock
NSN: 5331-01-161-7704
FSC Code: 5331
MPN: 10510586

5331-00-781-3299 (10510577)

NIIN: 00-781-3299
In stock
NSN: 5331-00-781-3299
FSC Code: 5331
MPN: 10510577

5331-00-311-9188 (10510600)

NIIN: 00-311-9188
In stock
NSN: 5331-00-311-9188
FSC Code: 5331
MPN: 10510600

5331-00-454-0370 (10510602)

NIIN: 00-454-0370
In stock
NSN: 5331-00-454-0370
FSC Code: 5331
MPN: 10510602

5331-01-123-7038 (10510620)

NIIN: 01-123-7038
In stock
NSN: 5331-01-123-7038
FSC Code: 5331
MPN: 10510620

5331-00-454-0364 (10510623)

NIIN: 00-454-0364
In stock
NSN: 5331-00-454-0364
FSC Code: 5331
MPN: 10510623

5331-00-453-6299 (10510601)

NIIN: 00-453-6299
In stock
NSN: 5331-00-453-6299
FSC Code: 5331
MPN: 10510601

5331-01-169-2467 (10510800)

NIIN: 01-169-2467
In stock
NSN: 5331-01-169-2467
FSC Code: 5331
MPN: 10510800

5331-01-168-9917 (10510873)

NIIN: 01-168-9917
In stock
NSN: 5331-01-168-9917
FSC Code: 5331
MPN: 10510873

5331-01-168-9919 (10510876)

NIIN: 01-168-9919
In stock
NSN: 5331-01-168-9919
FSC Code: 5331
MPN: 10510876

5331-01-169-2468 (10510809)

NIIN: 01-169-2468
In stock
NSN: 5331-01-169-2468
FSC Code: 5331
MPN: 10510809

5331-01-168-9918 (10510867)

NIIN: 01-168-9918
In stock
NSN: 5331-01-168-9918
FSC Code: 5331
MPN: 10510867

5331-01-216-1239 (10511296)

NIIN: 01-216-1239
In stock
NSN: 5331-01-216-1239
FSC Code: 5331
MPN: 10511296

5331-01-216-1380 (10511288)

NIIN: 01-216-1380
In stock
NSN: 5331-01-216-1380
FSC Code: 5331
MPN: 10511288

5331-01-168-9916 (10510868)

NIIN: 01-168-9916
In stock
NSN: 5331-01-168-9916
FSC Code: 5331
MPN: 10510868