Skip to content
News Industries Part Directory Excess Inventory Management Solutions Sitemap

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.

5331-01-406-0632 (49304/17)

NIIN: 01-406-0632
In stock
NSN: 5331-01-406-0632
FSC Code: 5331
MPN: 4930417

5331-01-347-3724 (4930-0410-9)

NIIN: 01-347-3724
In stock
NSN: 5331-01-347-3724
FSC Code: 5331
MPN: 493004109

5331-01-347-3725 (4930-0411-0)

NIIN: 01-347-3725
In stock
NSN: 5331-01-347-3725
FSC Code: 5331
MPN: 493004110

5331-00-921-0856 (913-226-4)

NIIN: 00-921-0856
In stock
NSN: 5331-00-921-0856
FSC Code: 5331
MPN: 9132264

5331-00-921-0855 (913-226-3)

NIIN: 00-921-0855
In stock
NSN: 5331-00-921-0855
FSC Code: 5331
MPN: 9132263

5331-00-168-5466 (913-226-1)

NIIN: 00-168-5466
In stock
NSN: 5331-00-168-5466
FSC Code: 5331
MPN: 9132261

5331-00-180-9904 (913-226-2)

NIIN: 00-180-9904
In stock
NSN: 5331-00-180-9904
FSC Code: 5331
MPN: 9132262

5331-01-257-7721 (91310-611-000)

NIIN: 01-257-7721
In stock
NSN: 5331-01-257-7721
FSC Code: 5331
MPN: 91310611000

5331-01-254-7284 (91307-611-000)

NIIN: 01-254-7284
In stock
NSN: 5331-01-254-7284
FSC Code: 5331
MPN: 91307611000

5331-01-257-7722 (91301-805-000)

NIIN: 01-257-7722
In stock
NSN: 5331-01-257-7722
FSC Code: 5331
MPN: 91301805000

5331-00-210-5200 (912892-2)

NIIN: 00-210-5200
In stock
NSN: 5331-00-210-5200
FSC Code: 5331
MPN: 9128922

5331-00-816-2299 (912-737-70)

NIIN: 00-816-2299
In stock
NSN: 5331-00-816-2299
FSC Code: 5331
MPN: 91273770

5331-01-273-2298 (9123-02-1120-495)

NIIN: 01-273-2298
In stock
NSN: 5331-01-273-2298
FSC Code: 5331
MPN: 9123021120495

5331-00-052-6950 (912-1487)

NIIN: 00-052-6950
In stock
NSN: 5331-00-052-6950
FSC Code: 5331
MPN: 9121487

5331-01-460-3165 (4904-62)

NIIN: 01-460-3165
In stock
NSN: 5331-01-460-3165
FSC Code: 5331
MPN: 490462

5331-01-359-3550 (4904-27)

NIIN: 01-359-3550
In stock
NSN: 5331-01-359-3550
FSC Code: 5331
MPN: 490427

5331-01-509-7860 (490-46-113)

NIIN: 01-509-7860
In stock
NSN: 5331-01-509-7860
FSC Code: 5331
MPN: 49046113

5331-01-497-0473 (4904-99)

NIIN: 01-497-0473
In stock
NSN: 5331-01-497-0473
FSC Code: 5331
MPN: 490499

5331-01-250-1380 (9121025-91)

NIIN: 01-250-1380
In stock
NSN: 5331-01-250-1380
FSC Code: 5331
MPN: 912102591

5331-01-522-3457 (4900234-502)

NIIN: 01-522-3457
In stock
NSN: 5331-01-522-3457
FSC Code: 5331
MPN: 4900234502

5331-01-385-5642 (48920202-SYM)

NIIN: 01-385-5642
In stock
NSN: 5331-01-385-5642
FSC Code: 5331
MPN: 48920202SYM

5331-01-385-6311 (48920202-SYM)

NIIN: 01-385-6311
In stock
NSN: 5331-01-385-6311
FSC Code: 5331
MPN: 48920202SYM

5331-01-148-1901 (910C886-28)

NIIN: 01-148-1901
In stock
NSN: 5331-01-148-1901
FSC Code: 5331
MPN: 910C88628

5331-01-225-2749 (910-C-69)

NIIN: 01-225-2749
In stock
NSN: 5331-01-225-2749
FSC Code: 5331
MPN: 910C69

5331-00-727-6424 (910-737-70)

NIIN: 00-727-6424
In stock
NSN: 5331-00-727-6424
FSC Code: 5331
MPN: 91073770

5331-01-426-2562 (488210-80MM)

NIIN: 01-426-2562
In stock
NSN: 5331-01-426-2562
FSC Code: 5331
MPN: 48821080MM

5331-01-161-6046 (910660-223)

NIIN: 01-161-6046
In stock
NSN: 5331-01-161-6046
FSC Code: 5331
MPN: 910660223

5331-01-128-5037 (910660-215)

NIIN: 01-128-5037
In stock
NSN: 5331-01-128-5037
FSC Code: 5331
MPN: 910660215

5331-01-138-9296 (910660-236)

NIIN: 01-138-9296
In stock
NSN: 5331-01-138-9296
FSC Code: 5331
MPN: 910660236

5331-00-984-1986 (910660-158)

NIIN: 00-984-1986
In stock
NSN: 5331-00-984-1986
FSC Code: 5331
MPN: 910660158

5331-01-236-0487 (910660-218)

NIIN: 01-236-0487
In stock
NSN: 5331-01-236-0487
FSC Code: 5331
MPN: 910660218

5331-01-129-0360 (910660-210)

NIIN: 01-129-0360
In stock
NSN: 5331-01-129-0360
FSC Code: 5331
MPN: 910660210

5331-00-510-4664 (910659-212)

NIIN: 00-510-4664
In stock
NSN: 5331-00-510-4664
FSC Code: 5331
MPN: 910659212

5331-00-438-3646 (910658-129)

NIIN: 00-438-3646
In stock
NSN: 5331-00-438-3646
FSC Code: 5331
MPN: 910658129

5331-01-124-2964 (910660-123)

NIIN: 01-124-2964
In stock
NSN: 5331-01-124-2964
FSC Code: 5331
MPN: 910660123

5331-01-124-2963 (910660-12)

NIIN: 01-124-2963
In stock
NSN: 5331-01-124-2963
FSC Code: 5331
MPN: 91066012

5331-00-957-7686 (91039-18)

NIIN: 00-957-7686
In stock
NSN: 5331-00-957-7686
FSC Code: 5331
MPN: 9103918

5331-00-559-2829 (91039-13)

NIIN: 00-559-2829
In stock
NSN: 5331-00-559-2829
FSC Code: 5331
MPN: 9103913

5331-00-559-2828 (91039-14)

NIIN: 00-559-2828
In stock
NSN: 5331-00-559-2828
FSC Code: 5331
MPN: 9103914

5331-01-137-7300 (910-11647)

NIIN: 01-137-7300
In stock
NSN: 5331-01-137-7300
FSC Code: 5331
MPN: 91011647

5331-00-195-3520 (910-11646)

NIIN: 00-195-3520
In stock
NSN: 5331-00-195-3520
FSC Code: 5331
MPN: 91011646

5331-00-682-4780 (91000606-2)

NIIN: 00-682-4780
In stock
NSN: 5331-00-682-4780
FSC Code: 5331
MPN: 910006062

5331-00-159-3179 (9-1000-13)

NIIN: 00-159-3179
In stock
NSN: 5331-00-159-3179
FSC Code: 5331
MPN: 9100013

5331-01-152-8841 (9-0R)

NIIN: 01-152-8841
In stock
NSN: 5331-01-152-8841
FSC Code: 5331
MPN: 90R

5331-00-101-8607 (90H64)

NIIN: 00-101-8607
In stock
NSN: 5331-00-101-8607
FSC Code: 5331
MPN: 90H64

5331-00-900-7300 (90H63)

NIIN: 00-900-7300
In stock
NSN: 5331-00-900-7300
FSC Code: 5331
MPN: 90H63

5331-00-157-6383 (90GA22)

NIIN: 00-157-6383
In stock
NSN: 5331-00-157-6383
FSC Code: 5331
MPN: 90GA22

5331-00-837-3218 (90C01-6021-4)

NIIN: 00-837-3218
In stock
NSN: 5331-00-837-3218
FSC Code: 5331
MPN: 90C0160214