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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.

5331-01-132-3419 (695-7785-13)

NIIN: 01-132-3419
In stock
NSN: 5331-01-132-3419
FSC Code: 5331
MPN: 695778513

5331-01-525-0771 (DS-B-90279ITEM6)

NIIN: 01-525-0771
In stock
NSN: 5331-01-525-0771
FSC Code: 5331
MPN: DSB90279ITEM6

5331-01-139-6376 (695-7703-27)

NIIN: 01-139-6376
In stock
NSN: 5331-01-139-6376
FSC Code: 5331
MPN: 695770327

5331-01-126-4555 (695-7702-40)

NIIN: 01-126-4555
In stock
NSN: 5331-01-126-4555
FSC Code: 5331
MPN: 695770240

5331-01-502-1905 (M2156PC3)

NIIN: 01-502-1905
In stock
NSN: 5331-01-502-1905
FSC Code: 5331
MPN: M2156PC3

5331-01-126-7892 (695-7702-27)

NIIN: 01-126-7892
In stock
NSN: 5331-01-126-7892
FSC Code: 5331
MPN: 695770227

5331-00-114-0152 (6956C2ITEM9)

NIIN: 00-114-0152
In stock
NSN: 5331-00-114-0152
FSC Code: 5331
MPN: 6956C2ITEM9

5331-01-523-2356 (M2065PC47)

NIIN: 01-523-2356
In stock
NSN: 5331-01-523-2356
FSC Code: 5331
MPN: M2065PC47

5331-01-548-7245 (30-1286)

NIIN: 01-548-7245
In stock
NSN: 5331-01-548-7245
FSC Code: 5331
MPN: 301286

5331-01-532-0591 (30-1262)

NIIN: 01-532-0591
In stock
NSN: 5331-01-532-0591
FSC Code: 5331
MPN: 301262

5331-01-345-1677 (30124A)

NIIN: 01-345-1677
In stock
NSN: 5331-01-345-1677
FSC Code: 5331
MPN: 30124A

5331-01-277-9794 (695-00902-0)

NIIN: 01-277-9794
In stock
NSN: 5331-01-277-9794
FSC Code: 5331
MPN: 695009020

5331-01-283-4655 (695-00912)

NIIN: 01-283-4655
In stock
NSN: 5331-01-283-4655
FSC Code: 5331
MPN: 69500912

5331-01-277-9793 (695-00908)

NIIN: 01-277-9793
In stock
NSN: 5331-01-277-9793
FSC Code: 5331
MPN: 69500908

5331-01-277-9795 (695-00904)

NIIN: 01-277-9795
In stock
NSN: 5331-01-277-9795
FSC Code: 5331
MPN: 69500904

5331-01-197-6298 (695-00119)

NIIN: 01-197-6298
In stock
NSN: 5331-01-197-6298
FSC Code: 5331
MPN: 69500119

5331-01-222-9809 (695-00213)

NIIN: 01-222-9809
In stock
NSN: 5331-01-222-9809
FSC Code: 5331
MPN: 69500213

5331-01-196-2456 (695-00226-0)

NIIN: 01-196-2456
In stock
NSN: 5331-01-196-2456
FSC Code: 5331
MPN: 695002260

5331-01-196-2457 (695-00223)

NIIN: 01-196-2457
In stock
NSN: 5331-01-196-2457
FSC Code: 5331
MPN: 69500223

5331-01-196-2455 (695-00210)

NIIN: 01-196-2455
In stock
NSN: 5331-01-196-2455
FSC Code: 5331
MPN: 69500210

5331-01-194-6101 (695-00011)

NIIN: 01-194-6101
In stock
NSN: 5331-01-194-6101
FSC Code: 5331
MPN: 69500011

5331-01-197-6297 (695-00118)

NIIN: 01-197-6297
In stock
NSN: 5331-01-197-6297
FSC Code: 5331
MPN: 69500118

5331-01-198-8099 (695-00013)

NIIN: 01-198-8099
In stock
NSN: 5331-01-198-8099
FSC Code: 5331
MPN: 69500013

5331-01-167-4006 (695-00007)

NIIN: 01-167-4006
In stock
NSN: 5331-01-167-4006
FSC Code: 5331
MPN: 69500007

5331-00-947-0083 (69494R9)

NIIN: 00-947-0083
In stock
NSN: 5331-00-947-0083
FSC Code: 5331
MPN: 69494R9

5331-01-289-9122 (695-00008)

NIIN: 01-289-9122
In stock
NSN: 5331-01-289-9122
FSC Code: 5331
MPN: 69500008

5331-00-947-0084 (69494R7)

NIIN: 00-947-0084
In stock
NSN: 5331-00-947-0084
FSC Code: 5331
MPN: 69494R7

5331-00-121-2165 (69494R6)

NIIN: 00-121-2165
In stock
NSN: 5331-00-121-2165
FSC Code: 5331
MPN: 69494R6

5331-00-952-0086 (69494R261)

NIIN: 00-952-0086
In stock
NSN: 5331-00-952-0086
FSC Code: 5331
MPN: 69494R261

5331-01-080-2234 (69494R335)

NIIN: 01-080-2234
In stock
NSN: 5331-01-080-2234
FSC Code: 5331
MPN: 69494R335

5331-00-765-1528 (69494S20)

NIIN: 00-765-1528
In stock
NSN: 5331-00-765-1528
FSC Code: 5331
MPN: 69494S20

5331-00-948-4016 (69494R25)

NIIN: 00-948-4016
In stock
NSN: 5331-00-948-4016
FSC Code: 5331
MPN: 69494R25

5331-00-412-9718 (69494R41)

NIIN: 00-412-9718
In stock
NSN: 5331-00-412-9718
FSC Code: 5331
MPN: 69494R41

5331-00-947-2157 (69494-R-2666)

NIIN: 00-947-2157
In stock
NSN: 5331-00-947-2157
FSC Code: 5331
MPN: 69494R2666

5331-00-119-1709 (69494R258)

NIIN: 00-119-1709
In stock
NSN: 5331-00-119-1709
FSC Code: 5331
MPN: 69494R258

5331-01-381-1429 (30-1061ES-0008-#15)

NIIN: 01-381-1429
In stock
NSN: 5331-01-381-1429
FSC Code: 5331
MPN: 301061ES000815

5331-01-380-8148 (30-1061ES-0008-#16)

NIIN: 01-380-8148
In stock
NSN: 5331-01-380-8148
FSC Code: 5331
MPN: 301061ES000816

5331-00-152-2735 (69494R244)

NIIN: 00-152-2735
In stock
NSN: 5331-00-152-2735
FSC Code: 5331
MPN: 69494R244

5331-00-410-6977 (69494R234)

NIIN: 00-410-6977
In stock
NSN: 5331-00-410-6977
FSC Code: 5331
MPN: 69494R234

5331-00-947-0087 (69494R134)

NIIN: 00-947-0087
In stock
NSN: 5331-00-947-0087
FSC Code: 5331
MPN: 69494R134

5331-00-947-6937 (69494R149)

NIIN: 00-947-6937
In stock
NSN: 5331-00-947-6937
FSC Code: 5331
MPN: 69494R149

5331-00-127-7486 (69494N111)

NIIN: 00-127-7486
In stock
NSN: 5331-00-127-7486
FSC Code: 5331
MPN: 69494N111

5331-01-205-5031 (69494K911)

NIIN: 01-205-5031
In stock
NSN: 5331-01-205-5031
FSC Code: 5331
MPN: 69494K911

5331-00-965-6475 (69494R122)

NIIN: 00-965-6475
In stock
NSN: 5331-00-965-6475
FSC Code: 5331
MPN: 69494R122

5331-00-890-4674 (69494M23)

NIIN: 00-890-4674
In stock
NSN: 5331-00-890-4674
FSC Code: 5331
MPN: 69494M23

5331-00-480-9520 (69494K6)

NIIN: 00-480-9520
In stock
NSN: 5331-00-480-9520
FSC Code: 5331
MPN: 69494K6

5331-00-135-3342 (69494K235)

NIIN: 00-135-3342
In stock
NSN: 5331-00-135-3342
FSC Code: 5331
MPN: 69494K235

5331-01-319-9214 (69494K32)

NIIN: 01-319-9214
In stock
NSN: 5331-01-319-9214
FSC Code: 5331
MPN: 69494K32