Skip to content
News Industries Part Directory Excess Inventory Management Solutions Sitemap

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.

5331-01-345-4574 (9004100-1310)

NIIN: 01-345-4574
In stock
NSN: 5331-01-345-4574
FSC Code: 5331
MPN: 90041001310

5331-01-452-7655 (BULLETIN9783REF10)

NIIN: 01-452-7655
In stock
NSN: 5331-01-452-7655
FSC Code: 5331
MPN: BULLETIN9783REF10

5331-01-379-8689 (9004100-1410)

NIIN: 01-379-8689
In stock
NSN: 5331-01-379-8689
FSC Code: 5331
MPN: 90041001410

5331-01-380-5160 (9004100-0290)

NIIN: 01-380-5160
In stock
NSN: 5331-01-380-5160
FSC Code: 5331
MPN: 90041000290

5331-01-382-4170 (9004100-0480)

NIIN: 01-382-4170
In stock
NSN: 5331-01-382-4170
FSC Code: 5331
MPN: 90041000480

5331-01-380-5156 (9004100-1210)

NIIN: 01-380-5156
In stock
NSN: 5331-01-380-5156
FSC Code: 5331
MPN: 90041001210

5331-01-370-5717 (9004100-0440)

NIIN: 01-370-5717
In stock
NSN: 5331-01-370-5717
FSC Code: 5331
MPN: 90041000440

5331-01-380-5131 (9004100-0370)

NIIN: 01-380-5131
In stock
NSN: 5331-01-380-5131
FSC Code: 5331
MPN: 90041000370

5331-01-380-7461 (9004100-0120)

NIIN: 01-380-7461
In stock
NSN: 5331-01-380-7461
FSC Code: 5331
MPN: 90041000120

5331-01-381-2232 (9002-114)

NIIN: 01-381-2232
In stock
NSN: 5331-01-381-2232
FSC Code: 5331
MPN: 9002114

5331-01-393-5630 (9002-00491-68)

NIIN: 01-393-5630
In stock
NSN: 5331-01-393-5630
FSC Code: 5331
MPN: 90020049168

5331-01-559-7990 (90-019-372)

NIIN: 01-559-7990
In stock
NSN: 5331-01-559-7990
FSC Code: 5331
MPN: 90019372

5331-01-322-1150 (M83485/1-275)

NIIN: 01-322-1150
In stock
NSN: 5331-01-322-1150
FSC Code: 5331
MPN: M834851275

5331-01-322-8060 (M83485/1-47)

NIIN: 01-322-8060
In stock
NSN: 5331-01-322-8060
FSC Code: 5331
MPN: M83485147

5331-01-466-5598 (9000-S6202-74013PC24)

NIIN: 01-466-5598
In stock
NSN: 5331-01-466-5598
FSC Code: 5331
MPN: 9000S620274013PC24

5331-01-322-8058 (M83485/1-236)

NIIN: 01-322-8058
In stock
NSN: 5331-01-322-8058
FSC Code: 5331
MPN: M834851236

5331-01-322-8057 (M83485/1-241)

NIIN: 01-322-8057
In stock
NSN: 5331-01-322-8057
FSC Code: 5331
MPN: M834851241

5331-01-322-8059 (M83485/1-258)

NIIN: 01-322-8059
In stock
NSN: 5331-01-322-8059
FSC Code: 5331
MPN: M834851258

5331-01-364-9134 (90009A1207-1)

NIIN: 01-364-9134
In stock
NSN: 5331-01-364-9134
FSC Code: 5331
MPN: 90009A12071

5331-01-366-9732 (90-0047)

NIIN: 01-366-9732
In stock
NSN: 5331-01-366-9732
FSC Code: 5331
MPN: 900047

5331-01-334-3655 (M83461/1-134)

NIIN: 01-334-3655
In stock
NSN: 5331-01-334-3655
FSC Code: 5331
MPN: M834611134

5331-01-406-3107 (9000-035)

NIIN: 01-406-3107
In stock
NSN: 5331-01-406-3107
FSC Code: 5331
MPN: 9000035

5331-01-334-3656 (M83461/1-132CP)

NIIN: 01-334-3656
In stock
NSN: 5331-01-334-3656
FSC Code: 5331
MPN: M834611132CP

5331-01-185-8704 (M83461/1-013)

NIIN: 01-185-8704
In stock
NSN: 5331-01-185-8704
FSC Code: 5331
MPN: M834611013

5331-01-366-9733 (90-0021)

NIIN: 01-366-9733
In stock
NSN: 5331-01-366-9733
FSC Code: 5331
MPN: 900021

5331-01-267-8926 (M83461/1-028)

NIIN: 01-267-8926
In stock
NSN: 5331-01-267-8926
FSC Code: 5331
MPN: M834611028

5331-01-185-8703 (M83461/1-028)

NIIN: 01-185-8703
In stock
NSN: 5331-01-185-8703
FSC Code: 5331
MPN: M834611028

5331-01-335-8010 (M83461/1-008CP)

NIIN: 01-335-8010
In stock
NSN: 5331-01-335-8010
FSC Code: 5331
MPN: M834611008CP

5331-01-334-7946 (M83461/1-012CP)

NIIN: 01-334-7946
In stock
NSN: 5331-01-334-7946
FSC Code: 5331
MPN: M834611012CP

5331-01-368-7191 (90-0013)

NIIN: 01-368-7191
In stock
NSN: 5331-01-368-7191
FSC Code: 5331
MPN: 900013

5331-01-367-5778 (90-0018)

NIIN: 01-367-5778
In stock
NSN: 5331-01-367-5778
FSC Code: 5331
MPN: 900018

5331-01-367-5777 (90-0017)

NIIN: 01-367-5777
In stock
NSN: 5331-01-367-5777
FSC Code: 5331
MPN: 900017

5331-01-366-9731 (90-0016)

NIIN: 01-366-9731
In stock
NSN: 5331-01-366-9731
FSC Code: 5331
MPN: 900016

5331-01-382-8952 (9000-121)

NIIN: 01-382-8952
In stock
NSN: 5331-01-382-8952
FSC Code: 5331
MPN: 9000121

5331-01-438-6740 (9000-1011-4A)

NIIN: 01-438-6740
In stock
NSN: 5331-01-438-6740
FSC Code: 5331
MPN: 900010114A

5331-01-341-5395 (90001-003)

NIIN: 01-341-5395
In stock
NSN: 5331-01-341-5395
FSC Code: 5331
MPN: 90001003

5331-01-396-9163 (9000-035)

NIIN: 01-396-9163
In stock
NSN: 5331-01-396-9163
FSC Code: 5331
MPN: 9000035

5331-01-367-5779 (90-0003)

NIIN: 01-367-5779
In stock
NSN: 5331-01-367-5779
FSC Code: 5331
MPN: 900003

5331-01-382-9024 (9000-027)

NIIN: 01-382-9024
In stock
NSN: 5331-01-382-9024
FSC Code: 5331
MPN: 9000027

5331-01-438-1125 (PL9001A-00-CR1)

NIIN: 01-438-1125
In stock
NSN: 5331-01-438-1125
FSC Code: 5331
MPN: PL9001A00CR1

5331-01-470-4712 (OR240.23X1.78MM-80EP)

NIIN: 01-470-4712
In stock
NSN: 5331-01-470-4712
FSC Code: 5331
MPN: OR24023X178MM80EP

5331-01-453-4965 (9.1175.042)

NIIN: 01-453-4965
In stock
NSN: 5331-01-453-4965
FSC Code: 5331
MPN: 91175042

5331-01-571-2164 (9.488X0.070-70BU)

NIIN: 01-571-2164
In stock
NSN: 5331-01-571-2164
FSC Code: 5331
MPN: 9488X007070BU

5331-01-485-8216 (8U-5794)

NIIN: 01-485-8216
In stock
NSN: 5331-01-485-8216
FSC Code: 5331
MPN: 8U5794

5331-01-486-0726 (8U-5951)

NIIN: 01-486-0726
In stock
NSN: 5331-01-486-0726
FSC Code: 5331
MPN: 8U5951

5331-01-485-8218 (8U-5943)

NIIN: 01-485-8218
In stock
NSN: 5331-01-485-8218
FSC Code: 5331
MPN: 8U5943

5331-01-485-8203 (8U-5069)

NIIN: 01-485-8203
In stock
NSN: 5331-01-485-8203
FSC Code: 5331
MPN: 8U5069

5331-01-485-8202 (8U-3473)

NIIN: 01-485-8202
In stock
NSN: 5331-01-485-8202
FSC Code: 5331
MPN: 8U3473