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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.

5331-01-518-8489 (2-224E515-80(PSNS))

NIIN: 01-518-8489
In stock
NSN: 5331-01-518-8489
FSC Code: 5331
MPN: 2224E51580PSNS

5331-01-518-8485 (2-224E515-80(PSNS))

NIIN: 01-518-8485
In stock
NSN: 5331-01-518-8485
FSC Code: 5331
MPN: 2224E51580PSNS

5331-01-519-0583 (2-224V884-75)

NIIN: 01-519-0583
In stock
NSN: 5331-01-519-0583
FSC Code: 5331
MPN: 2224V88475

5331-01-490-0804 (MS9386-225)

NIIN: 01-490-0804
In stock
NSN: 5331-01-490-0804
FSC Code: 5331
MPN: MS9386225

5331-01-561-7755 (2-225)

NIIN: 01-561-7755
In stock
NSN: 5331-01-561-7755
FSC Code: 5331
MPN: 2225

5331-01-097-9427 (5P369)

NIIN: 01-097-9427
In stock
NSN: 5331-01-097-9427
FSC Code: 5331
MPN: 5P369

5331-01-540-8262 (2-224E515-80)

NIIN: 01-540-8262
In stock
NSN: 5331-01-540-8262
FSC Code: 5331
MPN: 2224E51580

5331-01-385-5591 (2-223N525-60)

NIIN: 01-385-5591
In stock
NSN: 5331-01-385-5591
FSC Code: 5331
MPN: 2223N52560

5331-01-102-3522 (5P3228)

NIIN: 01-102-3522
In stock
NSN: 5331-01-102-3522
FSC Code: 5331
MPN: 5P3228

5331-01-508-4142 (2-224)

NIIN: 01-508-4142
In stock
NSN: 5331-01-508-4142
FSC Code: 5331
MPN: 2224

5331-01-097-6621 (5P2587)

NIIN: 01-097-6621
In stock
NSN: 5331-01-097-6621
FSC Code: 5331
MPN: 5P2587

5331-01-244-8962 (5P2568)

NIIN: 01-244-8962
In stock
NSN: 5331-01-244-8962
FSC Code: 5331
MPN: 5P2568

5331-01-372-9388 (SA-1248-C)

NIIN: 01-372-9388
In stock
NSN: 5331-01-372-9388
FSC Code: 5331
MPN: SA1248C

5331-01-498-9737 (2-223)

NIIN: 01-498-9737
In stock
NSN: 5331-01-498-9737
FSC Code: 5331
MPN: 2223

5331-01-551-2906 (2-222-L1120-70)

NIIN: 01-551-2906
In stock
NSN: 5331-01-551-2906
FSC Code: 5331
MPN: 2222L112070

5331-01-540-8261 (2-222E515-80)

NIIN: 01-540-8261
In stock
NSN: 5331-01-540-8261
FSC Code: 5331
MPN: 2222E51580

5331-01-537-9205 (2-222LM153-70)

NIIN: 01-537-9205
In stock
NSN: 5331-01-537-9205
FSC Code: 5331
MPN: 2222LM15370

5331-01-518-8492 (2-222E515-80(PSNS))

NIIN: 01-518-8492
In stock
NSN: 5331-01-518-8492
FSC Code: 5331
MPN: 2222E51580PSNS

5331-01-181-2506 (5P1011)

NIIN: 01-181-2506
In stock
NSN: 5331-01-181-2506
FSC Code: 5331
MPN: 5P1011

5331-01-567-6248 (222212-438)

NIIN: 01-567-6248
In stock
NSN: 5331-01-567-6248
FSC Code: 5331
MPN: 222212438

5331-01-127-3651 (5P0904)

NIIN: 01-127-3651
In stock
NSN: 5331-01-127-3651
FSC Code: 5331
MPN: 5P0904

5331-01-569-2814 (222207-370)

NIIN: 01-569-2814
In stock
NSN: 5331-01-569-2814
FSC Code: 5331
MPN: 222207370

5331-01-567-6240 (222212-442)

NIIN: 01-567-6240
In stock
NSN: 5331-01-567-6240
FSC Code: 5331
MPN: 222212442

5331-01-567-6245 (222207-223)

NIIN: 01-567-6245
In stock
NSN: 5331-01-567-6245
FSC Code: 5331
MPN: 222207223

5331-01-568-4072 (222208-437)

NIIN: 01-568-4072
In stock
NSN: 5331-01-568-4072
FSC Code: 5331
MPN: 222208437

5331-01-567-6175 (222207-256)

NIIN: 01-567-6175
In stock
NSN: 5331-01-567-6175
FSC Code: 5331
MPN: 222207256

5331-01-567-6239 (222207-267)

NIIN: 01-567-6239
In stock
NSN: 5331-01-567-6239
FSC Code: 5331
MPN: 222207267

5331-01-568-4055 (222207-171)

NIIN: 01-568-4055
In stock
NSN: 5331-01-568-4055
FSC Code: 5331
MPN: 222207171

5331-01-569-2778 (222207-120)

NIIN: 01-569-2778
In stock
NSN: 5331-01-569-2778
FSC Code: 5331
MPN: 222207120

5331-01-384-6569 (2-222N818-70)

NIIN: 01-384-6569
In stock
NSN: 5331-01-384-6569
FSC Code: 5331
MPN: 2222N81870

5331-01-567-6242 (222207-028)

NIIN: 01-567-6242
In stock
NSN: 5331-01-567-6242
FSC Code: 5331
MPN: 222207028

5331-01-567-6172 (222207-161)

NIIN: 01-567-6172
In stock
NSN: 5331-01-567-6172
FSC Code: 5331
MPN: 222207161

5331-01-568-4050 (222207-165)

NIIN: 01-568-4050
In stock
NSN: 5331-01-568-4050
FSC Code: 5331
MPN: 222207165

5331-01-530-7369 (2-221-N0674-70)

NIIN: 01-530-7369
In stock
NSN: 5331-01-530-7369
FSC Code: 5331
MPN: 2221N067470

5331-01-412-0018 (2-220F940-80)

NIIN: 01-412-0018
In stock
NSN: 5331-01-412-0018
FSC Code: 5331
MPN: 2220F94080

5331-01-388-8627 (2-220N525-60)

NIIN: 01-388-8627
In stock
NSN: 5331-01-388-8627
FSC Code: 5331
MPN: 2220N52560

5331-01-518-8478 (2-220E515-80(PSNS))

NIIN: 01-518-8478
In stock
NSN: 5331-01-518-8478
FSC Code: 5331
MPN: 2220E51580PSNS

5331-01-540-8260 (2-220E515-80)

NIIN: 01-540-8260
In stock
NSN: 5331-01-540-8260
FSC Code: 5331
MPN: 2220E51580

5331-01-433-7416 (9030-3.32)

NIIN: 01-433-7416
In stock
NSN: 5331-01-433-7416
FSC Code: 5331
MPN: 9030332

5331-01-480-0217 (221L62792-M00)

NIIN: 01-480-0217
In stock
NSN: 5331-01-480-0217
FSC Code: 5331
MPN: 221L62792M00

5331-01-203-2326 (5N3168)

NIIN: 01-203-2326
In stock
NSN: 5331-01-203-2326
FSC Code: 5331
MPN: 5N3168

5331-01-480-0219 (221L62790-M00)

NIIN: 01-480-0219
In stock
NSN: 5331-01-480-0219
FSC Code: 5331
MPN: 221L62790M00

5331-01-564-7899 (2-219E515-80)

NIIN: 01-564-7899
In stock
NSN: 5331-01-564-7899
FSC Code: 5331
MPN: 2219E51580

5331-01-385-5564 (2-218N525-60)

NIIN: 01-385-5564
In stock
NSN: 5331-01-385-5564
FSC Code: 5331
MPN: 2218N52560

5331-01-457-5114 (AMS-R-83485/1-219)

NIIN: 01-457-5114
In stock
NSN: 5331-01-457-5114
FSC Code: 5331
MPN: AMSR834851219

5331-01-518-8475 (2-217E515-80)

NIIN: 01-518-8475
In stock
NSN: 5331-01-518-8475
FSC Code: 5331
MPN: 2217E51580

5331-01-376-3848 (2217V747-75)

NIIN: 01-376-3848
In stock
NSN: 5331-01-376-3848
FSC Code: 5331
MPN: 2217V74775

5331-01-514-5766 (221-7377)

NIIN: 01-514-5766
In stock
NSN: 5331-01-514-5766
FSC Code: 5331
MPN: 2217377