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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.

5331-01-182-5520 (93008244)

NIIN: 01-182-5520
In stock
NSN: 5331-01-182-5520
FSC Code: 5331
MPN: 93008244

5331-01-182-5519 (93008250)

NIIN: 01-182-5519
In stock
NSN: 5331-01-182-5519
FSC Code: 5331
MPN: 93008250

5331-01-181-0581 (93009236)

NIIN: 01-181-0581
In stock
NSN: 5331-01-181-0581
FSC Code: 5331
MPN: 93009236

5331-01-181-4942 (93008287)

NIIN: 01-181-4942
In stock
NSN: 5331-01-181-4942
FSC Code: 5331
MPN: 93008287

5331-01-181-4943 (93008265)

NIIN: 01-181-4943
In stock
NSN: 5331-01-181-4943
FSC Code: 5331
MPN: 93008265

5331-01-181-4940 (93009261)

NIIN: 01-181-4940
In stock
NSN: 5331-01-181-4940
FSC Code: 5331
MPN: 93009261

5331-01-182-5518 (93009262)

NIIN: 01-182-5518
In stock
NSN: 5331-01-182-5518
FSC Code: 5331
MPN: 93009262

5331-01-319-9247 (95018149)

NIIN: 01-319-9247
In stock
NSN: 5331-01-319-9247
FSC Code: 5331
MPN: 95018149

5331-01-275-1859 (95018065)

NIIN: 01-275-1859
In stock
NSN: 5331-01-275-1859
FSC Code: 5331
MPN: 95018065

5331-01-304-1135 (95018560)

NIIN: 01-304-1135
In stock
NSN: 5331-01-304-1135
FSC Code: 5331
MPN: 95018560

5331-01-331-9982 (95018172)

NIIN: 01-331-9982
In stock
NSN: 5331-01-331-9982
FSC Code: 5331
MPN: 95018172

5331-01-304-1141 (95018008)

NIIN: 01-304-1141
In stock
NSN: 5331-01-304-1141
FSC Code: 5331
MPN: 95018008

5331-01-331-9980 (95018404)

NIIN: 01-331-9980
In stock
NSN: 5331-01-331-9980
FSC Code: 5331
MPN: 95018404

5331-01-253-6453 (95018206)

NIIN: 01-253-6453
In stock
NSN: 5331-01-253-6453
FSC Code: 5331
MPN: 95018206

5331-01-304-1140 (95022695)

NIIN: 01-304-1140
In stock
NSN: 5331-01-304-1140
FSC Code: 5331
MPN: 95022695

5331-01-198-8096 (95023461)

NIIN: 01-198-8096
In stock
NSN: 5331-01-198-8096
FSC Code: 5331
MPN: 95023461

5331-01-304-1139 (95018420)

NIIN: 01-304-1139
In stock
NSN: 5331-01-304-1139
FSC Code: 5331
MPN: 95018420

5331-01-304-1142 (95028486)

NIIN: 01-304-1142
In stock
NSN: 5331-01-304-1142
FSC Code: 5331
MPN: 95028486

5331-01-331-9981 (95086526)

NIIN: 01-331-9981
In stock
NSN: 5331-01-331-9981
FSC Code: 5331
MPN: 95086526

5331-01-319-9219 (95210225)

NIIN: 01-319-9219
In stock
NSN: 5331-01-319-9219
FSC Code: 5331
MPN: 95210225

5331-01-198-8097 (95023081)

NIIN: 01-198-8097
In stock
NSN: 5331-01-198-8097
FSC Code: 5331
MPN: 95023081

5331-01-201-4610 (95083606)

NIIN: 01-201-4610
In stock
NSN: 5331-01-201-4610
FSC Code: 5331
MPN: 95083606

5331-01-304-1137 (95286456)

NIIN: 01-304-1137
In stock
NSN: 5331-01-304-1137
FSC Code: 5331
MPN: 95286456

5331-01-337-0860 (95358032)

NIIN: 01-337-0860
In stock
NSN: 5331-01-337-0860
FSC Code: 5331
MPN: 95358032

5331-01-287-6639 (95406311)

NIIN: 01-287-6639
In stock
NSN: 5331-01-287-6639
FSC Code: 5331
MPN: 95406311

5331-01-097-7788 (95830026)

NIIN: 01-097-7788
In stock
NSN: 5331-01-097-7788
FSC Code: 5331
MPN: 95830026

5331-01-155-3946 (95830017)

NIIN: 01-155-3946
In stock
NSN: 5331-01-155-3946
FSC Code: 5331
MPN: 95830017

5331-01-305-9400 (95830042)

NIIN: 01-305-9400
In stock
NSN: 5331-01-305-9400
FSC Code: 5331
MPN: 95830042

5331-01-094-8704 (95830016)

NIIN: 01-094-8704
In stock
NSN: 5331-01-094-8704
FSC Code: 5331
MPN: 95830016

5331-01-109-7497 (95830131)

NIIN: 01-109-7497
In stock
NSN: 5331-01-109-7497
FSC Code: 5331
MPN: 95830131

5331-01-137-6890 (95830110)

NIIN: 01-137-6890
In stock
NSN: 5331-01-137-6890
FSC Code: 5331
MPN: 95830110

5331-01-094-2199 (95830122)

NIIN: 01-094-2199
In stock
NSN: 5331-01-094-2199
FSC Code: 5331
MPN: 95830122

5331-01-089-7091 (95830020)

NIIN: 01-089-7091
In stock
NSN: 5331-01-089-7091
FSC Code: 5331
MPN: 95830020

5331-01-108-4455 (95830134)

NIIN: 01-108-4455
In stock
NSN: 5331-01-108-4455
FSC Code: 5331
MPN: 95830134

5331-01-089-3156 (95830029)

NIIN: 01-089-3156
In stock
NSN: 5331-01-089-3156
FSC Code: 5331
MPN: 95830029

5331-01-245-6986 (95830132)

NIIN: 01-245-6986
In stock
NSN: 5331-01-245-6986
FSC Code: 5331
MPN: 95830132

5331-01-293-8778 (95830139)

NIIN: 01-293-8778
In stock
NSN: 5331-01-293-8778
FSC Code: 5331
MPN: 95830139

5331-01-094-2200 (95830128)

NIIN: 01-094-2200
In stock
NSN: 5331-01-094-2200
FSC Code: 5331
MPN: 95830128

5331-01-245-6985 (95830228)

NIIN: 01-245-6985
In stock
NSN: 5331-01-245-6985
FSC Code: 5331
MPN: 95830228

5331-01-245-6983 (95830144)

NIIN: 01-245-6983
In stock
NSN: 5331-01-245-6983
FSC Code: 5331
MPN: 95830144

5331-01-089-3155 (95830028)

NIIN: 01-089-3155
In stock
NSN: 5331-01-089-3155
FSC Code: 5331
MPN: 95830028

5331-01-096-3706 (95830242)

NIIN: 01-096-3706
In stock
NSN: 5331-01-096-3706
FSC Code: 5331
MPN: 95830242

5331-01-092-9939 (95831118)

NIIN: 01-092-9939
In stock
NSN: 5331-01-092-9939
FSC Code: 5331
MPN: 95831118

5331-01-096-3707 (95830429)

NIIN: 01-096-3707
In stock
NSN: 5331-01-096-3707
FSC Code: 5331
MPN: 95830429

5331-01-188-4610 (95830353)

NIIN: 01-188-4610
In stock
NSN: 5331-01-188-4610
FSC Code: 5331
MPN: 95830353

5331-01-096-6876 (95831034)

NIIN: 01-096-6876
In stock
NSN: 5331-01-096-6876
FSC Code: 5331
MPN: 95831034

5331-01-245-6987 (95831150)

NIIN: 01-245-6987
In stock
NSN: 5331-01-245-6987
FSC Code: 5331
MPN: 95831150

5331-01-108-4454 (95832133)

NIIN: 01-108-4454
In stock
NSN: 5331-01-108-4454
FSC Code: 5331
MPN: 95832133