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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.

5331-01-281-9001 (2-259)

NIIN: 01-281-9001
In stock
NSN: 5331-01-281-9001
FSC Code: 5331
MPN: 2259

5331-01-037-6127 (2-259)

NIIN: 01-037-6127
In stock
NSN: 5331-01-037-6127
FSC Code: 5331
MPN: 2259

5331-00-853-4272 (2-259)

NIIN: 00-853-4272
In stock
NSN: 5331-00-853-4272
FSC Code: 5331
MPN: 2259

5331-00-690-9741 (2-259)

NIIN: 00-690-9741
In stock
NSN: 5331-00-690-9741
FSC Code: 5331
MPN: 2259

5331-01-111-9276 (22593-20)

NIIN: 01-111-9276
In stock
NSN: 5331-01-111-9276
FSC Code: 5331
MPN: 2259320

5331-00-808-5796 (2-259-47-071)

NIIN: 00-808-5796
In stock
NSN: 5331-00-808-5796
FSC Code: 5331
MPN: 225947071

5331-01-491-5956 (PLC-12677)

NIIN: 01-491-5956
In stock
NSN: 5331-01-491-5956
FSC Code: 5331
MPN: PLC12677

5331-00-385-6826 (22593-910)

NIIN: 00-385-6826
In stock
NSN: 5331-00-385-6826
FSC Code: 5331
MPN: 22593910

5331-01-414-8467 (000010EECP)

NIIN: 01-414-8467
In stock
NSN: 5331-01-414-8467
FSC Code: 5331
MPN: 000010EECP

5331-01-006-2126 (2-259E540-8)

NIIN: 01-006-2126
In stock
NSN: 5331-01-006-2126
FSC Code: 5331
MPN: 2259E5408

5331-01-077-1033 (2-259C147-7)

NIIN: 01-077-1033
In stock
NSN: 5331-01-077-1033
FSC Code: 5331
MPN: 2259C1477

5331-01-170-6284 (2-259-E515-80)

NIIN: 01-170-6284
In stock
NSN: 5331-01-170-6284
FSC Code: 5331
MPN: 2259E51580

5331-01-509-1202 (011-1DSA9250)

NIIN: 01-509-1202
In stock
NSN: 5331-01-509-1202
FSC Code: 5331
MPN: 0111DSA9250

5331-00-287-0926 (2-259N180-7)

NIIN: 00-287-0926
In stock
NSN: 5331-00-287-0926
FSC Code: 5331
MPN: 2259N1807

5331-00-111-3756 (2-259N103-70)

NIIN: 00-111-3756
In stock
NSN: 5331-00-111-3756
FSC Code: 5331
MPN: 2259N10370

5331-01-560-3910 (PLC-13206-8)

NIIN: 01-560-3910
In stock
NSN: 5331-01-560-3910
FSC Code: 5331
MPN: PLC132068

5331-01-438-6446 (PLC-11711)

NIIN: 01-438-6446
In stock
NSN: 5331-01-438-6446
FSC Code: 5331
MPN: PLC11711

5331-01-542-6698 (G547-0002-PLC11401-011D4)

NIIN: 01-542-6698
In stock
NSN: 5331-01-542-6698
FSC Code: 5331
MPN: G5470002PLC11401011D4

5331-01-452-2397 (00-0016-10)

NIIN: 01-452-2397
In stock
NSN: 5331-01-452-2397
FSC Code: 5331
MPN: 00001610

5331-01-415-1945 (000021EECP)

NIIN: 01-415-1945
In stock
NSN: 5331-01-415-1945
FSC Code: 5331
MPN: 000021EECP

5331-01-380-4544 (0000-229-9549)

NIIN: 01-380-4544
In stock
NSN: 5331-01-380-4544
FSC Code: 5331
MPN: 00002299549

5331-01-378-2786 (0000-230-9549)

NIIN: 01-378-2786
In stock
NSN: 5331-01-378-2786
FSC Code: 5331
MPN: 00002309549

5331-01-453-7104 (0000-223-9549)

NIIN: 01-453-7104
In stock
NSN: 5331-01-453-7104
FSC Code: 5331
MPN: 00002239549

5331-01-379-0708 (0000-226-9549)

NIIN: 01-379-0708
In stock
NSN: 5331-01-379-0708
FSC Code: 5331
MPN: 00002269549

5331-01-379-1132 (0000-231-9549)

NIIN: 01-379-1132
In stock
NSN: 5331-01-379-1132
FSC Code: 5331
MPN: 00002319549

5331-01-412-3580 (0000-225-9549)

NIIN: 01-412-3580
In stock
NSN: 5331-01-412-3580
FSC Code: 5331
MPN: 00002259549

5331-01-379-1175 (0000-234-9549)

NIIN: 01-379-1175
In stock
NSN: 5331-01-379-1175
FSC Code: 5331
MPN: 00002349549

5331-01-383-6053 (CF-SP-79337ITEM2)

NIIN: 01-383-6053
In stock
NSN: 5331-01-383-6053
FSC Code: 5331
MPN: CFSP79337ITEM2

5331-01-468-5032 (0000-241-9549)

NIIN: 01-468-5032
In stock
NSN: 5331-01-468-5032
FSC Code: 5331
MPN: 00002419549

5331-01-305-2512 (22-5X2-80Z140)

NIIN: 01-305-2512
In stock
NSN: 5331-01-305-2512
FSC Code: 5331
MPN: 225X280Z140

5331-00-405-0798 (2-260)

NIIN: 00-405-0798
In stock
NSN: 5331-00-405-0798
FSC Code: 5331
MPN: 2260

5331-01-540-3907 (00-0028A)

NIIN: 01-540-3907
In stock
NSN: 5331-01-540-3907
FSC Code: 5331
MPN: 000028A

5331-01-400-2804 (0000-242-M030)

NIIN: 01-400-2804
In stock
NSN: 5331-01-400-2804
FSC Code: 5331
MPN: 0000242M030

5331-00-038-2150 (2-260L449-60)

NIIN: 00-038-2150
In stock
NSN: 5331-00-038-2150
FSC Code: 5331
MPN: 2260L44960

5331-00-470-5782 (2-260-C557-70)

NIIN: 00-470-5782
In stock
NSN: 5331-00-470-5782
FSC Code: 5331
MPN: 2260C55770

5331-00-892-4183 (2-260N506-65)

NIIN: 00-892-4183
In stock
NSN: 5331-00-892-4183
FSC Code: 5331
MPN: 2260N50665

5331-00-527-8516 (2-260N180-70)

NIIN: 00-527-8516
In stock
NSN: 5331-00-527-8516
FSC Code: 5331
MPN: 2260N18070

5331-01-022-4326 (2-260N545-4)

NIIN: 01-022-4326
In stock
NSN: 5331-01-022-4326
FSC Code: 5331
MPN: 2260N5454

5331-00-999-8565 (2-261)

NIIN: 00-999-8565
In stock
NSN: 5331-00-999-8565
FSC Code: 5331
MPN: 2261

5331-01-236-1737 (2-260-N219-70)

NIIN: 01-236-1737
In stock
NSN: 5331-01-236-1737
FSC Code: 5331
MPN: 2260N21970

5331-00-167-5143 (2-260V0747-75)

NIIN: 00-167-5143
In stock
NSN: 5331-00-167-5143
FSC Code: 5331
MPN: 2260V074775

5331-01-269-6150 (22617-06)

NIIN: 01-269-6150
In stock
NSN: 5331-01-269-6150
FSC Code: 5331
MPN: 2261706

5331-00-228-7196 (22617-12)

NIIN: 00-228-7196
In stock
NSN: 5331-00-228-7196
FSC Code: 5331
MPN: 2261712

5331-01-213-5212 (22617-5)

NIIN: 01-213-5212
In stock
NSN: 5331-01-213-5212
FSC Code: 5331
MPN: 226175

5331-01-155-4277 (22617-4)

NIIN: 01-155-4277
In stock
NSN: 5331-01-155-4277
FSC Code: 5331
MPN: 226174

5331-01-129-3154 (2-261L1223-60)

NIIN: 01-129-3154
In stock
NSN: 5331-01-129-3154
FSC Code: 5331
MPN: 2261L122360

5331-00-698-8751 (2261E)

NIIN: 00-698-8751
In stock
NSN: 5331-00-698-8751
FSC Code: 5331
MPN: 2261E

5331-00-061-5144 (2-261-N506-65)

NIIN: 00-061-5144
In stock
NSN: 5331-00-061-5144
FSC Code: 5331
MPN: 2261N50665