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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.

5331-01-435-5218 (11-6094A000)

NIIN: 01-435-5218
In stock
NSN: 5331-01-435-5218
FSC Code: 5331
MPN: 116094A000

5331-01-436-5764 (11-6094A000)

NIIN: 01-436-5764
In stock
NSN: 5331-01-436-5764
FSC Code: 5331
MPN: 116094A000

5331-01-435-5219 (11-6094A000)

NIIN: 01-435-5219
In stock
NSN: 5331-01-435-5219
FSC Code: 5331
MPN: 116094A000

5331-01-436-5768 (11-6094A000)

NIIN: 01-436-5768
In stock
NSN: 5331-01-436-5768
FSC Code: 5331
MPN: 116094A000

5331-01-316-9591 (3538169-630)

NIIN: 01-316-9591
In stock
NSN: 5331-01-316-9591
FSC Code: 5331
MPN: 3538169630

5331-01-352-2132 (11-606004)

NIIN: 01-352-2132
In stock
NSN: 5331-01-352-2132
FSC Code: 5331
MPN: 11606004

5331-01-173-0153 (3536928-727)

NIIN: 01-173-0153
In stock
NSN: 5331-01-173-0153
FSC Code: 5331
MPN: 3536928727

5331-01-176-1353 (3536928-734)

NIIN: 01-176-1353
In stock
NSN: 5331-01-176-1353
FSC Code: 5331
MPN: 3536928734

5331-01-176-1354 (3536928-733)

NIIN: 01-176-1354
In stock
NSN: 5331-01-176-1354
FSC Code: 5331
MPN: 3536928733

5331-01-176-1355 (3536928-731)

NIIN: 01-176-1355
In stock
NSN: 5331-01-176-1355
FSC Code: 5331
MPN: 3536928731

5331-01-435-5223 (11-6027A000)

NIIN: 01-435-5223
In stock
NSN: 5331-01-435-5223
FSC Code: 5331
MPN: 116027A000

5331-01-435-5217 (11-6027A000)

NIIN: 01-435-5217
In stock
NSN: 5331-01-435-5217
FSC Code: 5331
MPN: 116027A000

5331-01-178-7316 (3536264-615)

NIIN: 01-178-7316
In stock
NSN: 5331-01-178-7316
FSC Code: 5331
MPN: 3536264615

5331-12-331-5836 (700294115001)

NIIN: 12-331-5836
In stock
NSN: 5331-12-331-5836
FSC Code: 5331
MPN: 700294115001

5331-12-308-2694 (700429115000)

NIIN: 12-308-2694
In stock
NSN: 5331-12-308-2694
FSC Code: 5331
MPN: 700429115000

5331-01-369-2187 (CM2-115-V14A)

NIIN: 01-369-2187
In stock
NSN: 5331-01-369-2187
FSC Code: 5331
MPN: CM2115V14A

5331-01-431-3181 (115N)

NIIN: 01-431-3181
In stock
NSN: 5331-01-431-3181
FSC Code: 5331
MPN: 115N

5331-00-468-1706 (3534FIND13)

NIIN: 00-468-1706
In stock
NSN: 5331-00-468-1706
FSC Code: 5331
MPN: 3534FIND13

5331-01-546-4403 (1159H20010-120)

NIIN: 01-546-4403
In stock
NSN: 5331-01-546-4403
FSC Code: 5331
MPN: 1159H20010120

5331-01-093-6360 (3530562-10)

NIIN: 01-093-6360
In stock
NSN: 5331-01-093-6360
FSC Code: 5331
MPN: 353056210

5331-01-093-6359 (3530562-6)

NIIN: 01-093-6359
In stock
NSN: 5331-01-093-6359
FSC Code: 5331
MPN: 35305626

5331-01-093-6275 (3530562-1)

NIIN: 01-093-6275
In stock
NSN: 5331-01-093-6275
FSC Code: 5331
MPN: 35305621

5331-01-292-4009 (35292-S)

NIIN: 01-292-4009
In stock
NSN: 5331-01-292-4009
FSC Code: 5331
MPN: 35292S

5331-01-416-2988 (115729-0150)

NIIN: 01-416-2988
In stock
NSN: 5331-01-416-2988
FSC Code: 5331
MPN: 1157290150

5331-00-020-6123 (35-26320)

NIIN: 00-020-6123
In stock
NSN: 5331-00-020-6123
FSC Code: 5331
MPN: 3526320

5331-00-618-2744 (352221R1)

NIIN: 00-618-2744
In stock
NSN: 5331-00-618-2744
FSC Code: 5331
MPN: 352221R1

5331-01-450-4557 (115315-0131)

NIIN: 01-450-4557
In stock
NSN: 5331-01-450-4557
FSC Code: 5331
MPN: 1153150131

5331-00-571-9685 (3516X2PC5)

NIIN: 00-571-9685
In stock
NSN: 5331-00-571-9685
FSC Code: 5331
MPN: 3516X2PC5

5331-01-352-3180 (1151-2)

NIIN: 01-352-3180
In stock
NSN: 5331-01-352-3180
FSC Code: 5331
MPN: 11512

5331-01-352-3179 (1151-2)

NIIN: 01-352-3179
In stock
NSN: 5331-01-352-3179
FSC Code: 5331
MPN: 11512

5331-00-913-5976 (3515-20)

NIIN: 00-913-5976
In stock
NSN: 5331-00-913-5976
FSC Code: 5331
MPN: 351520

5331-00-059-1362 (3-51433-1)

NIIN: 00-059-1362
In stock
NSN: 5331-00-059-1362
FSC Code: 5331
MPN: 3514331

5331-01-322-9552 (351-40201)

NIIN: 01-322-9552
In stock
NSN: 5331-01-322-9552
FSC Code: 5331
MPN: 35140201

5331-01-551-4052 (115046-010)

NIIN: 01-551-4052
In stock
NSN: 5331-01-551-4052
FSC Code: 5331
MPN: 115046010

5331-01-551-4015 (115046-006)

NIIN: 01-551-4015
In stock
NSN: 5331-01-551-4015
FSC Code: 5331
MPN: 115046006

5331-00-809-4653 (35109C)

NIIN: 00-809-4653
In stock
NSN: 5331-00-809-4653
FSC Code: 5331
MPN: 35109C

5331-00-995-7998 (35108J)

NIIN: 00-995-7998
In stock
NSN: 5331-00-995-7998
FSC Code: 5331
MPN: 35108J

5331-01-424-1243 (115/120467540)

NIIN: 01-424-1243
In stock
NSN: 5331-01-424-1243
FSC Code: 5331
MPN: 115120467540

5331-00-585-5467 (35103J)

NIIN: 00-585-5467
In stock
NSN: 5331-00-585-5467
FSC Code: 5331
MPN: 35103J

5331-00-097-5067 (35103AA)

NIIN: 00-097-5067
In stock
NSN: 5331-00-097-5067
FSC Code: 5331
MPN: 35103AA

5331-00-984-1983 (3510-0059-051)

NIIN: 00-984-1983
In stock
NSN: 5331-00-984-1983
FSC Code: 5331
MPN: 35100059051

5331-01-538-5337 (114HS441-2)

NIIN: 01-538-5337
In stock
NSN: 5331-01-538-5337
FSC Code: 5331
MPN: 114HS4412

5331-01-280-6509 (350667R1)

NIIN: 01-280-6509
In stock
NSN: 5331-01-280-6509
FSC Code: 5331
MPN: 350667R1

5331-01-125-1903 (35-05-13-00-31)

NIIN: 01-125-1903
In stock
NSN: 5331-01-125-1903
FSC Code: 5331
MPN: 3505130031

5331-01-467-0742 (114D2324ITEM5)

NIIN: 01-467-0742
In stock
NSN: 5331-01-467-0742
FSC Code: 5331
MPN: 114D2324ITEM5

5331-01-492-5915 (114D2324ITEM5)

NIIN: 01-492-5915
In stock
NSN: 5331-01-492-5915
FSC Code: 5331
MPN: 114D2324ITEM5

5331-00-250-1227 (35040C)

NIIN: 00-250-1227
In stock
NSN: 5331-00-250-1227
FSC Code: 5331
MPN: 35040C

5331-01-440-2413 (114979-00)

NIIN: 01-440-2413
In stock
NSN: 5331-01-440-2413
FSC Code: 5331
MPN: 11497900