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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.

5331-01-327-3370 (12928706)

NIIN: 01-327-3370
In stock
NSN: 5331-01-327-3370
FSC Code: 5331
MPN: 12928706

5331-00-419-0742 (12976292)

NIIN: 00-419-0742
In stock
NSN: 5331-00-419-0742
FSC Code: 5331
MPN: 12976292

5331-01-147-8254 (13026628)

NIIN: 01-147-8254
In stock
NSN: 5331-01-147-8254
FSC Code: 5331
MPN: 13026628

5331-01-150-4016 (13030416)

NIIN: 01-150-4016
In stock
NSN: 5331-01-150-4016
FSC Code: 5331
MPN: 13030416

5331-01-058-5406 (13034008)

NIIN: 01-058-5406
In stock
NSN: 5331-01-058-5406
FSC Code: 5331
MPN: 13034008

5331-01-098-3824 (13047942)

NIIN: 01-098-3824
In stock
NSN: 5331-01-098-3824
FSC Code: 5331
MPN: 13047942

5331-01-184-5804 (13084223)

NIIN: 01-184-5804
In stock
NSN: 5331-01-184-5804
FSC Code: 5331
MPN: 13084223

5331-01-323-4734 (13084964)

NIIN: 01-323-4734
In stock
NSN: 5331-01-323-4734
FSC Code: 5331
MPN: 13084964

5331-01-213-3500 (13221208)

NIIN: 01-213-3500
In stock
NSN: 5331-01-213-3500
FSC Code: 5331
MPN: 13221208

5331-01-320-1801 (13362425)

NIIN: 01-320-1801
In stock
NSN: 5331-01-320-1801
FSC Code: 5331
MPN: 13362425

5331-01-035-7643 (13579246)

NIIN: 01-035-7643
In stock
NSN: 5331-01-035-7643
FSC Code: 5331
MPN: 13579246

5331-01-292-3144 (14088556)

NIIN: 01-292-3144
In stock
NSN: 5331-01-292-3144
FSC Code: 5331
MPN: 14088556

5331-01-212-6043 (14095598)

NIIN: 01-212-6043
In stock
NSN: 5331-01-212-6043
FSC Code: 5331
MPN: 14095598

5331-01-201-4607 (14201056)

NIIN: 01-201-4607
In stock
NSN: 5331-01-201-4607
FSC Code: 5331
MPN: 14201056

5331-01-220-1682 (14201075)

NIIN: 01-220-1682
In stock
NSN: 5331-01-220-1682
FSC Code: 5331
MPN: 14201075

5331-01-275-7793 (14458580)

NIIN: 01-275-7793
In stock
NSN: 5331-01-275-7793
FSC Code: 5331
MPN: 14458580

5331-01-310-9009 (14463281)

NIIN: 01-310-9009
In stock
NSN: 5331-01-310-9009
FSC Code: 5331
MPN: 14463281

5331-00-893-6096 (14464080)

NIIN: 00-893-6096
In stock
NSN: 5331-00-893-6096
FSC Code: 5331
MPN: 14464080

5331-01-133-3214 (14463880)

NIIN: 01-133-3214
In stock
NSN: 5331-01-133-3214
FSC Code: 5331
MPN: 14463880

5331-01-159-8357 (14464980)

NIIN: 01-159-8357
In stock
NSN: 5331-01-159-8357
FSC Code: 5331
MPN: 14464980

5331-01-275-7789 (14466281)

NIIN: 01-275-7789
In stock
NSN: 5331-01-275-7789
FSC Code: 5331
MPN: 14466281

5331-01-133-3223 (14467080)

NIIN: 01-133-3223
In stock
NSN: 5331-01-133-3223
FSC Code: 5331
MPN: 14467080

5331-01-275-7790 (14466280)

NIIN: 01-275-7790
In stock
NSN: 5331-01-275-7790
FSC Code: 5331
MPN: 14466280

5331-01-277-8799 (14467780)

NIIN: 01-277-8799
In stock
NSN: 5331-01-277-8799
FSC Code: 5331
MPN: 14467780

5331-01-133-3201 (14464380)

NIIN: 01-133-3201
In stock
NSN: 5331-01-133-3201
FSC Code: 5331
MPN: 14464380

5331-01-275-7791 (14472180)

NIIN: 01-275-7791
In stock
NSN: 5331-01-275-7791
FSC Code: 5331
MPN: 14472180

5331-01-277-9788 (14473280)

NIIN: 01-277-9788
In stock
NSN: 5331-01-277-9788
FSC Code: 5331
MPN: 14473280

5331-00-316-8861 (14900130)

NIIN: 00-316-8861
In stock
NSN: 5331-00-316-8861
FSC Code: 5331
MPN: 14900130

5331-01-151-4143 (15332864)

NIIN: 01-151-4143
In stock
NSN: 5331-01-151-4143
FSC Code: 5331
MPN: 15332864

5331-01-244-2271 (15510107)

NIIN: 01-244-2271
In stock
NSN: 5331-01-244-2271
FSC Code: 5331
MPN: 15510107

5331-00-725-2287 (15506526)

NIIN: 00-725-2287
In stock
NSN: 5331-00-725-2287
FSC Code: 5331
MPN: 15506526

5331-01-244-2272 (15510108)

NIIN: 01-244-2272
In stock
NSN: 5331-01-244-2272
FSC Code: 5331
MPN: 15510108

5331-01-324-8281 (15522434)

NIIN: 01-324-8281
In stock
NSN: 5331-01-324-8281
FSC Code: 5331
MPN: 15522434

5331-01-236-1724 (15529641)

NIIN: 01-236-1724
In stock
NSN: 5331-01-236-1724
FSC Code: 5331
MPN: 15529641

5331-01-155-7701 (15547030)

NIIN: 01-155-7701
In stock
NSN: 5331-01-155-7701
FSC Code: 5331
MPN: 15547030

5331-00-445-5202 (16100233)

NIIN: 00-445-5202
In stock
NSN: 5331-00-445-5202
FSC Code: 5331
MPN: 16100233

5331-00-823-4343 (16100708)

NIIN: 00-823-4343
In stock
NSN: 5331-00-823-4343
FSC Code: 5331
MPN: 16100708

5331-01-181-4953 (16101261)

NIIN: 01-181-4953
In stock
NSN: 5331-01-181-4953
FSC Code: 5331
MPN: 16101261

5331-00-676-9045 (16102902)

NIIN: 00-676-9045
In stock
NSN: 5331-00-676-9045
FSC Code: 5331
MPN: 16102902

5331-00-723-5313 (16104666)

NIIN: 00-723-5313
In stock
NSN: 5331-00-723-5313
FSC Code: 5331
MPN: 16104666

5331-01-324-0916 (16110167)

NIIN: 01-324-0916
In stock
NSN: 5331-01-324-0916
FSC Code: 5331
MPN: 16110167

5331-01-168-5510 (16104667)

NIIN: 01-168-5510
In stock
NSN: 5331-01-168-5510
FSC Code: 5331
MPN: 16104667

5331-01-099-8849 (16302598)

NIIN: 01-099-8849
In stock
NSN: 5331-01-099-8849
FSC Code: 5331
MPN: 16302598

5331-01-247-1083 (16302598)

NIIN: 01-247-1083
In stock
NSN: 5331-01-247-1083
FSC Code: 5331
MPN: 16302598

5331-01-120-1453 (16300939)

NIIN: 01-120-1453
In stock
NSN: 5331-01-120-1453
FSC Code: 5331
MPN: 16300939

5331-01-191-2312 (16391358)

NIIN: 01-191-2312
In stock
NSN: 5331-01-191-2312
FSC Code: 5331
MPN: 16391358

5331-01-091-6802 (16701058)

NIIN: 01-091-6802
In stock
NSN: 5331-01-091-6802
FSC Code: 5331
MPN: 16701058

5331-01-005-4055 (16701280)

NIIN: 01-005-4055
In stock
NSN: 5331-01-005-4055
FSC Code: 5331
MPN: 16701280