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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.

5331-01-032-4170 (671-00910)

NIIN: 01-032-4170
In stock
NSN: 5331-01-032-4170
FSC Code: 5331
MPN: 67100910

5331-01-012-9801 (671-00904-Z)

NIIN: 01-012-9801
In stock
NSN: 5331-01-012-9801
FSC Code: 5331
MPN: 67100904Z

5331-01-174-0214 (671-00447)

NIIN: 01-174-0214
In stock
NSN: 5331-01-174-0214
FSC Code: 5331
MPN: 67100447

5331-01-132-0922 (671-00906)

NIIN: 01-132-0922
In stock
NSN: 5331-01-132-0922
FSC Code: 5331
MPN: 67100906

5331-01-008-0420 (671-00902-Z)

NIIN: 01-008-0420
In stock
NSN: 5331-01-008-0420
FSC Code: 5331
MPN: 67100902Z

5331-00-118-9147 (671-00248)

NIIN: 00-118-9147
In stock
NSN: 5331-00-118-9147
FSC Code: 5331
MPN: 67100248

5331-01-229-5144 (671-00265)

NIIN: 01-229-5144
In stock
NSN: 5331-01-229-5144
FSC Code: 5331
MPN: 67100265

5331-01-342-7781 (A29020-14)

NIIN: 01-342-7781
In stock
NSN: 5331-01-342-7781
FSC Code: 5331
MPN: A2902014

5331-01-226-4434 (671-00251)

NIIN: 01-226-4434
In stock
NSN: 5331-01-226-4434
FSC Code: 5331
MPN: 67100251

5331-01-040-4597 (671-00326)

NIIN: 01-040-4597
In stock
NSN: 5331-01-040-4597
FSC Code: 5331
MPN: 67100326

5331-01-343-2650 (A29020-16)

NIIN: 01-343-2650
In stock
NSN: 5331-01-343-2650
FSC Code: 5331
MPN: A2902016

5331-01-106-5875 (671-00257)

NIIN: 01-106-5875
In stock
NSN: 5331-01-106-5875
FSC Code: 5331
MPN: 67100257

5331-01-346-3486 (2902-001)

NIIN: 01-346-3486
In stock
NSN: 5331-01-346-3486
FSC Code: 5331
MPN: 2902001

5331-01-119-8240 (671-00232)

NIIN: 01-119-8240
In stock
NSN: 5331-01-119-8240
FSC Code: 5331
MPN: 67100232

5331-01-005-3977 (671-00238)

NIIN: 01-005-3977
In stock
NSN: 5331-01-005-3977
FSC Code: 5331
MPN: 67100238

5331-00-439-1488 (671-00231)

NIIN: 00-439-1488
In stock
NSN: 5331-00-439-1488
FSC Code: 5331
MPN: 67100231

5331-01-230-7688 (671-00228-0)

NIIN: 01-230-7688
In stock
NSN: 5331-01-230-7688
FSC Code: 5331
MPN: 671002280

5331-00-400-7412 (671-00214-0)

NIIN: 00-400-7412
In stock
NSN: 5331-00-400-7412
FSC Code: 5331
MPN: 671002140

5331-00-400-7415 (671-00225)

NIIN: 00-400-7415
In stock
NSN: 5331-00-400-7415
FSC Code: 5331
MPN: 67100225

5331-00-865-9749 (671-00212)

NIIN: 00-865-9749
In stock
NSN: 5331-00-865-9749
FSC Code: 5331
MPN: 67100212

5331-00-433-8143 (671-00221)

NIIN: 00-433-8143
In stock
NSN: 5331-00-433-8143
FSC Code: 5331
MPN: 67100221

5331-00-439-1486 (671-00217)

NIIN: 00-439-1486
In stock
NSN: 5331-00-439-1486
FSC Code: 5331
MPN: 67100217

5331-00-433-8155 (671-00219-0)

NIIN: 00-433-8155
In stock
NSN: 5331-00-433-8155
FSC Code: 5331
MPN: 671002190

5331-00-454-0493 (671-00146)

NIIN: 00-454-0493
In stock
NSN: 5331-00-454-0493
FSC Code: 5331
MPN: 67100146

5331-00-433-8140 (671-00129)

NIIN: 00-433-8140
In stock
NSN: 5331-00-433-8140
FSC Code: 5331
MPN: 67100129

5331-01-128-5034 (671-00144)

NIIN: 01-128-5034
In stock
NSN: 5331-01-128-5034
FSC Code: 5331
MPN: 67100144

5331-01-132-0914 (671-00134)

NIIN: 01-132-0914
In stock
NSN: 5331-01-132-0914
FSC Code: 5331
MPN: 67100134

5331-00-433-8084 (671-00116)

NIIN: 00-433-8084
In stock
NSN: 5331-00-433-8084
FSC Code: 5331
MPN: 67100116

5331-01-128-4018 (671-00117)

NIIN: 01-128-4018
In stock
NSN: 5331-01-128-4018
FSC Code: 5331
MPN: 67100117

5331-00-845-4142 (671-00112)

NIIN: 00-845-4142
In stock
NSN: 5331-00-845-4142
FSC Code: 5331
MPN: 67100112

5331-00-400-7409 (671-00110)

NIIN: 00-400-7409
In stock
NSN: 5331-00-400-7409
FSC Code: 5331
MPN: 67100110

5331-01-036-9422 (671-00016)

NIIN: 01-036-9422
In stock
NSN: 5331-01-036-9422
FSC Code: 5331
MPN: 67100016

5331-01-070-7045 (671-00010)

NIIN: 01-070-7045
In stock
NSN: 5331-01-070-7045
FSC Code: 5331
MPN: 67100010

5331-00-057-9883 (671-00016)

NIIN: 00-057-9883
In stock
NSN: 5331-00-057-9883
FSC Code: 5331
MPN: 67100016

5331-01-019-4474 (671-00013-0)

NIIN: 01-019-4474
In stock
NSN: 5331-01-019-4474
FSC Code: 5331
MPN: 671000130

5331-01-038-8725 (671-00012-0)

NIIN: 01-038-8725
In stock
NSN: 5331-01-038-8725
FSC Code: 5331
MPN: 671000120

5331-00-456-7963 (671-00007-0)

NIIN: 00-456-7963
In stock
NSN: 5331-00-456-7963
FSC Code: 5331
MPN: 671000070

5331-01-238-9674 (670M833P31)

NIIN: 01-238-9674
In stock
NSN: 5331-01-238-9674
FSC Code: 5331
MPN: 670M833P31

5331-01-253-0775 (670M654P14)

NIIN: 01-253-0775
In stock
NSN: 5331-01-253-0775
FSC Code: 5331
MPN: 670M654P14

5331-12-304-3694 (028001 700429028001)

NIIN: 12-304-3694
In stock
NSN: 5331-12-304-3694
FSC Code: 5331
MPN: 028001700429028001

5331-14-463-8861 (WA262G02982DC4A)

NIIN: 14-463-8861
In stock
NSN: 5331-14-463-8861
FSC Code: 5331
MPN: WA262G02982DC4A

5331-01-466-3547 (28X2-64C8)

NIIN: 01-466-3547
In stock
NSN: 5331-01-466-3547
FSC Code: 5331
MPN: 28X264C8

5331-12-311-9163 (700429028003)

NIIN: 12-311-9163
In stock
NSN: 5331-12-311-9163
FSC Code: 5331
MPN: 700429028003

5331-01-209-8554 (670-50906)

NIIN: 01-209-8554
In stock
NSN: 5331-01-209-8554
FSC Code: 5331
MPN: 67050906

5331-00-808-2327 (670-50125)

NIIN: 00-808-2327
In stock
NSN: 5331-00-808-2327
FSC Code: 5331
MPN: 67050125

5331-01-251-4690 (670-50339)

NIIN: 01-251-4690
In stock
NSN: 5331-01-251-4690
FSC Code: 5331
MPN: 67050339

5331-00-480-4102 (670-50143)

NIIN: 00-480-4102
In stock
NSN: 5331-00-480-4102
FSC Code: 5331
MPN: 67050143

5331-00-763-0215 (670-50149)

NIIN: 00-763-0215
In stock
NSN: 5331-00-763-0215
FSC Code: 5331
MPN: 67050149