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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.

5331-01-186-7530 (10524096)

NIIN: 01-186-7530
In stock
NSN: 5331-01-186-7530
FSC Code: 5331
MPN: 10524096

5331-01-272-4843 (10524118)

NIIN: 01-272-4843
In stock
NSN: 5331-01-272-4843
FSC Code: 5331
MPN: 10524118

5331-01-196-6562 (10524100)

NIIN: 01-196-6562
In stock
NSN: 5331-01-196-6562
FSC Code: 5331
MPN: 10524100

5331-01-026-2211 (10524188)

NIIN: 01-026-2211
In stock
NSN: 5331-01-026-2211
FSC Code: 5331
MPN: 10524188

5331-01-026-2207 (10524186)

NIIN: 01-026-2207
In stock
NSN: 5331-01-026-2207
FSC Code: 5331
MPN: 10524186

5331-01-217-7009 (10524226)

NIIN: 01-217-7009
In stock
NSN: 5331-01-217-7009
FSC Code: 5331
MPN: 10524226

5331-01-217-7008 (10524232)

NIIN: 01-217-7008
In stock
NSN: 5331-01-217-7008
FSC Code: 5331
MPN: 10524232

5331-01-197-0882 (10524203)

NIIN: 01-197-0882
In stock
NSN: 5331-01-197-0882
FSC Code: 5331
MPN: 10524203

5331-01-024-7089 (10524224)

NIIN: 01-024-7089
In stock
NSN: 5331-01-024-7089
FSC Code: 5331
MPN: 10524224

5331-01-026-2213 (10524352)

NIIN: 01-026-2213
In stock
NSN: 5331-01-026-2213
FSC Code: 5331
MPN: 10524352

5331-01-026-2210 (10524379)

NIIN: 01-026-2210
In stock
NSN: 5331-01-026-2210
FSC Code: 5331
MPN: 10524379

5331-00-920-0865 (10543758)

NIIN: 00-920-0865
In stock
NSN: 5331-00-920-0865
FSC Code: 5331
MPN: 10543758

5331-01-232-3137 (10553197)

NIIN: 01-232-3137
In stock
NSN: 5331-01-232-3137
FSC Code: 5331
MPN: 10553197

5331-00-845-5640 (10552875)

NIIN: 00-845-5640
In stock
NSN: 5331-00-845-5640
FSC Code: 5331
MPN: 10552875

5331-01-158-5345 (10554726)

NIIN: 01-158-5345
In stock
NSN: 5331-01-158-5345
FSC Code: 5331
MPN: 10554726

5331-01-250-2082 (10559311)

NIIN: 01-250-2082
In stock
NSN: 5331-01-250-2082
FSC Code: 5331
MPN: 10559311

5331-00-433-8142 (10559886)

NIIN: 00-433-8142
In stock
NSN: 5331-00-433-8142
FSC Code: 5331
MPN: 10559886

5331-00-237-6964 (10560485)

NIIN: 00-237-6964
In stock
NSN: 5331-00-237-6964
FSC Code: 5331
MPN: 10560485

5331-01-261-6691 (10560483)

NIIN: 01-261-6691
In stock
NSN: 5331-01-261-6691
FSC Code: 5331
MPN: 10560483

5331-01-149-9679 (10625534)

NIIN: 01-149-9679
In stock
NSN: 5331-01-149-9679
FSC Code: 5331
MPN: 10625534

5331-01-333-4460 (10791479)

NIIN: 01-333-4460
In stock
NSN: 5331-01-333-4460
FSC Code: 5331
MPN: 10791479

5331-00-678-4739 (10862216)

NIIN: 00-678-4739
In stock
NSN: 5331-00-678-4739
FSC Code: 5331
MPN: 10862216

5331-00-678-6183 (10863323)

NIIN: 00-678-6183
In stock
NSN: 5331-00-678-6183
FSC Code: 5331
MPN: 10863323

5331-00-707-1247 (10870588)

NIIN: 00-707-1247
In stock
NSN: 5331-00-707-1247
FSC Code: 5331
MPN: 10870588

5331-01-049-2226 (10875089)

NIIN: 01-049-2226
In stock
NSN: 5331-01-049-2226
FSC Code: 5331
MPN: 10875089

5331-00-542-3477 (10875117)

NIIN: 00-542-3477
In stock
NSN: 5331-00-542-3477
FSC Code: 5331
MPN: 10875117

5331-00-542-3475 (10875116)

NIIN: 00-542-3475
In stock
NSN: 5331-00-542-3475
FSC Code: 5331
MPN: 10875116

5331-00-714-6129 (10875193)

NIIN: 00-714-6129
In stock
NSN: 5331-00-714-6129
FSC Code: 5331
MPN: 10875193

5331-00-821-4490 (10885411)

NIIN: 00-821-4490
In stock
NSN: 5331-00-821-4490
FSC Code: 5331
MPN: 10885411

5331-00-936-8303 (10899249)

NIIN: 00-936-8303
In stock
NSN: 5331-00-936-8303
FSC Code: 5331
MPN: 10899249

5331-00-863-6701 (10903973)

NIIN: 00-863-6701
In stock
NSN: 5331-00-863-6701
FSC Code: 5331
MPN: 10903973

5331-00-626-8281 (10923475)

NIIN: 00-626-8281
In stock
NSN: 5331-00-626-8281
FSC Code: 5331
MPN: 10923475

5331-00-461-4217 (10926262)

NIIN: 00-461-4217
In stock
NSN: 5331-00-461-4217
FSC Code: 5331
MPN: 10926262

5331-00-058-5855 (10934405)

NIIN: 00-058-5855
In stock
NSN: 5331-00-058-5855
FSC Code: 5331
MPN: 10934405

5331-01-178-9317 (10935568)

NIIN: 01-178-9317
In stock
NSN: 5331-01-178-9317
FSC Code: 5331
MPN: 10935568

5331-00-078-4866 (10935359)

NIIN: 00-078-4866
In stock
NSN: 5331-00-078-4866
FSC Code: 5331
MPN: 10935359

5331-00-903-7685 (10935567)

NIIN: 00-903-7685
In stock
NSN: 5331-00-903-7685
FSC Code: 5331
MPN: 10935567

5331-01-238-3212 (10940001)

NIIN: 01-238-3212
In stock
NSN: 5331-01-238-3212
FSC Code: 5331
MPN: 10940001

5331-00-050-2191 (10945228)

NIIN: 00-050-2191
In stock
NSN: 5331-00-050-2191
FSC Code: 5331
MPN: 10945228

5331-00-903-0523 (10947593)

NIIN: 00-903-0523
In stock
NSN: 5331-00-903-0523
FSC Code: 5331
MPN: 10947593

5331-00-905-7532 (10954586)

NIIN: 00-905-7532
In stock
NSN: 5331-00-905-7532
FSC Code: 5331
MPN: 10954586

5331-00-883-9431 (11069763)

NIIN: 00-883-9431
In stock
NSN: 5331-00-883-9431
FSC Code: 5331
MPN: 11069763

5331-00-143-7270 (11154464)

NIIN: 00-143-7270
In stock
NSN: 5331-00-143-7270
FSC Code: 5331
MPN: 11154464

5331-01-080-3802 (11207172)

NIIN: 01-080-3802
In stock
NSN: 5331-01-080-3802
FSC Code: 5331
MPN: 11207172

5331-01-334-9955 (11255030)

NIIN: 01-334-9955
In stock
NSN: 5331-01-334-9955
FSC Code: 5331
MPN: 11255030

5331-01-313-0253 (11381376)

NIIN: 01-313-0253
In stock
NSN: 5331-01-313-0253
FSC Code: 5331
MPN: 11381376

5331-01-219-5990 (11437921)

NIIN: 01-219-5990
In stock
NSN: 5331-01-219-5990
FSC Code: 5331
MPN: 11437921

5331-01-165-3906 (11442745)

NIIN: 01-165-3906
In stock
NSN: 5331-01-165-3906
FSC Code: 5331
MPN: 11442745