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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.

5331-00-988-0974 (69890-244)

NIIN: 00-988-0974
In stock
NSN: 5331-00-988-0974
FSC Code: 5331
MPN: 69890244

5331-00-984-4453 (69890-242)

NIIN: 00-984-4453
In stock
NSN: 5331-00-984-4453
FSC Code: 5331
MPN: 69890242

5331-00-984-4451 (69890-241)

NIIN: 00-984-4451
In stock
NSN: 5331-00-984-4451
FSC Code: 5331
MPN: 69890241

5331-00-550-7710 (69890-234)

NIIN: 00-550-7710
In stock
NSN: 5331-00-550-7710
FSC Code: 5331
MPN: 69890234

5331-00-914-2827 (69890-231)

NIIN: 00-914-2827
In stock
NSN: 5331-00-914-2827
FSC Code: 5331
MPN: 69890231

5331-00-531-3922 (69890-230)

NIIN: 00-531-3922
In stock
NSN: 5331-00-531-3922
FSC Code: 5331
MPN: 69890230

5331-01-064-3856 (69890-152)

NIIN: 01-064-3856
In stock
NSN: 5331-01-064-3856
FSC Code: 5331
MPN: 69890152

5331-00-843-1134 (69890-154)

NIIN: 00-843-1134
In stock
NSN: 5331-00-843-1134
FSC Code: 5331
MPN: 69890154

5331-01-087-8707 (69890-151)

NIIN: 01-087-8707
In stock
NSN: 5331-01-087-8707
FSC Code: 5331
MPN: 69890151

5331-00-640-9841 (69890-224)

NIIN: 00-640-9841
In stock
NSN: 5331-00-640-9841
FSC Code: 5331
MPN: 69890224

5331-01-085-8189 (69890-147)

NIIN: 01-085-8189
In stock
NSN: 5331-01-085-8189
FSC Code: 5331
MPN: 69890147

5331-00-640-9840 (69890-225)

NIIN: 00-640-9840
In stock
NSN: 5331-00-640-9840
FSC Code: 5331
MPN: 69890225

5331-01-024-9771 (69890-229)

NIIN: 01-024-9771
In stock
NSN: 5331-01-024-9771
FSC Code: 5331
MPN: 69890229

5331-01-087-8708 (69890-137)

NIIN: 01-087-8708
In stock
NSN: 5331-01-087-8708
FSC Code: 5331
MPN: 69890137

5331-01-085-8190 (69890-129)

NIIN: 01-085-8190
In stock
NSN: 5331-01-085-8190
FSC Code: 5331
MPN: 69890129

5331-01-085-8191 (69890-125)

NIIN: 01-085-8191
In stock
NSN: 5331-01-085-8191
FSC Code: 5331
MPN: 69890125

5331-00-640-9863 (69890-111)

NIIN: 00-640-9863
In stock
NSN: 5331-00-640-9863
FSC Code: 5331
MPN: 69890111

5331-00-558-1893 (69890-138)

NIIN: 00-558-1893
In stock
NSN: 5331-00-558-1893
FSC Code: 5331
MPN: 69890138

5331-01-062-6269 (69890-144)

NIIN: 01-062-6269
In stock
NSN: 5331-01-062-6269
FSC Code: 5331
MPN: 69890144

5331-01-018-1449 (69890-115)

NIIN: 01-018-1449
In stock
NSN: 5331-01-018-1449
FSC Code: 5331
MPN: 69890115

5331-00-641-0540 (69890-116)

NIIN: 00-641-0540
In stock
NSN: 5331-00-641-0540
FSC Code: 5331
MPN: 69890116

5331-00-641-0542 (69890-124)

NIIN: 00-641-0542
In stock
NSN: 5331-00-641-0542
FSC Code: 5331
MPN: 69890124

5331-00-640-9859 (69890-131)

NIIN: 00-640-9859
In stock
NSN: 5331-00-640-9859
FSC Code: 5331
MPN: 69890131

5331-00-640-9860 (69890-127)

NIIN: 00-640-9860
In stock
NSN: 5331-00-640-9860
FSC Code: 5331
MPN: 69890127

5331-01-090-4869 (69890-100)

NIIN: 01-090-4869
In stock
NSN: 5331-01-090-4869
FSC Code: 5331
MPN: 69890100

5331-00-914-2875 (69890-107)

NIIN: 00-914-2875
In stock
NSN: 5331-00-914-2875
FSC Code: 5331
MPN: 69890107

5331-00-291-9665 (69890-101)

NIIN: 00-291-9665
In stock
NSN: 5331-00-291-9665
FSC Code: 5331
MPN: 69890101

5331-00-291-9658 (69890-103)

NIIN: 00-291-9658
In stock
NSN: 5331-00-291-9658
FSC Code: 5331
MPN: 69890103

5331-00-515-3434 (69844-55)

NIIN: 00-515-3434
In stock
NSN: 5331-00-515-3434
FSC Code: 5331
MPN: 6984455

5331-00-053-1918 (69844-24)

NIIN: 00-053-1918
In stock
NSN: 5331-00-053-1918
FSC Code: 5331
MPN: 6984424

5331-00-515-3435 (69844-43)

NIIN: 00-515-3435
In stock
NSN: 5331-00-515-3435
FSC Code: 5331
MPN: 6984443

5331-00-580-2073 (69844-76)

NIIN: 00-580-2073
In stock
NSN: 5331-00-580-2073
FSC Code: 5331
MPN: 6984476

5331-00-009-9458 (698307-1)

NIIN: 00-009-9458
In stock
NSN: 5331-00-009-9458
FSC Code: 5331
MPN: 6983071

5331-01-502-3406 (M2065PC55)

NIIN: 01-502-3406
In stock
NSN: 5331-01-502-3406
FSC Code: 5331
MPN: M2065PC55

5331-01-502-3305 (M2065PC33)

NIIN: 01-502-3305
In stock
NSN: 5331-01-502-3305
FSC Code: 5331
MPN: M2065PC33

5331-00-585-8031 (69800H263)

NIIN: 00-585-8031
In stock
NSN: 5331-00-585-8031
FSC Code: 5331
MPN: 69800H263

5331-01-303-5388 (698-00-25)

NIIN: 01-303-5388
In stock
NSN: 5331-01-303-5388
FSC Code: 5331
MPN: 6980025

5331-01-420-0002 (301-BR)

NIIN: 01-420-0002
In stock
NSN: 5331-01-420-0002
FSC Code: 5331
MPN: 301BR

5331-00-866-5326 (69737D111)

NIIN: 00-866-5326
In stock
NSN: 5331-00-866-5326
FSC Code: 5331
MPN: 69737D111

5331-01-459-8509 (3018-01703-01)

NIIN: 01-459-8509
In stock
NSN: 5331-01-459-8509
FSC Code: 5331
MPN: 30180170301

5331-01-150-1534 (69673000-08)

NIIN: 01-150-1534
In stock
NSN: 5331-01-150-1534
FSC Code: 5331
MPN: 6967300008

5331-01-502-3298 (M2065PC14)

NIIN: 01-502-3298
In stock
NSN: 5331-01-502-3298
FSC Code: 5331
MPN: M2065PC14

5331-00-948-1817 (696244-014)

NIIN: 00-948-1817
In stock
NSN: 5331-00-948-1817
FSC Code: 5331
MPN: 696244014

5331-00-472-2446 (696244-012)

NIIN: 00-472-2446
In stock
NSN: 5331-00-472-2446
FSC Code: 5331
MPN: 696244012

5331-00-984-4452 (69617-5)

NIIN: 00-984-4452
In stock
NSN: 5331-00-984-4452
FSC Code: 5331
MPN: 696175

5331-01-192-8639 (695-D-7683ITEM27)

NIIN: 01-192-8639
In stock
NSN: 5331-01-192-8639
FSC Code: 5331
MPN: 695D7683ITEM27

5331-01-132-3420 (695-7787)

NIIN: 01-132-3420
In stock
NSN: 5331-01-132-3420
FSC Code: 5331
MPN: 6957787

5331-01-521-1349 (30-1341)

NIIN: 01-521-1349
In stock
NSN: 5331-01-521-1349
FSC Code: 5331
MPN: 301341