Skip to content
News Industries All Catagories 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.

5331-01-566-6444 (1842021C91)

NIIN: 01-566-6444
In stock
NSN: 5331-01-566-6444
FSC Code: 5331
MPN: 1842021C91

5331-01-535-2852 (1841627C1)

NIIN: 01-535-2852
In stock
NSN: 5331-01-535-2852
FSC Code: 5331
MPN: 1841627C1

5331-01-566-5646 (1841847C1)

NIIN: 01-566-5646
In stock
NSN: 5331-01-566-5646
FSC Code: 5331
MPN: 1841847C1

5331-01-548-3755 (1841557C1)

NIIN: 01-548-3755
In stock
NSN: 5331-01-548-3755
FSC Code: 5331
MPN: 1841557C1

5331-01-548-3739 (1841581C1)

NIIN: 01-548-3739
In stock
NSN: 5331-01-548-3739
FSC Code: 5331
MPN: 1841581C1

5331-01-548-4662 (1841394C1)

NIIN: 01-548-4662
In stock
NSN: 5331-01-548-4662
FSC Code: 5331
MPN: 1841394C1

5331-01-204-6673 (510-481)

NIIN: 01-204-6673
In stock
NSN: 5331-01-204-6673
FSC Code: 5331
MPN: 510481

5331-01-274-3263 (5-1043E540-80)

NIIN: 01-274-3263
In stock
NSN: 5331-01-274-3263
FSC Code: 5331
MPN: 51043E54080

5331-00-478-6565 (5-103E515-8)

NIIN: 00-478-6565
In stock
NSN: 5331-00-478-6565
FSC Code: 5331
MPN: 5103E5158

5331-00-102-3112 (5-103)

NIIN: 00-102-3112
In stock
NSN: 5331-00-102-3112
FSC Code: 5331
MPN: 5103

5331-00-419-4593 (5-102N304-75)

NIIN: 00-419-4593
In stock
NSN: 5331-00-419-4593
FSC Code: 5331
MPN: 5102N30475

5331-00-107-6490 (5-102N674-7)

NIIN: 00-107-6490
In stock
NSN: 5331-00-107-6490
FSC Code: 5331
MPN: 5102N6747

5331-01-556-5148 (1839026C1)

NIIN: 01-556-5148
In stock
NSN: 5331-01-556-5148
FSC Code: 5331
MPN: 1839026C1

5331-01-547-3528 (1837800C1)

NIIN: 01-547-3528
In stock
NSN: 5331-01-547-3528
FSC Code: 5331
MPN: 1837800C1

5331-01-019-6544 (5-102)

NIIN: 01-019-6544
In stock
NSN: 5331-01-019-6544
FSC Code: 5331
MPN: 5102

5331-01-547-3534 (1837799C1)

NIIN: 01-547-3534
In stock
NSN: 5331-01-547-3534
FSC Code: 5331
MPN: 1837799C1

5331-01-547-3523 (1837802C1)

NIIN: 01-547-3523
In stock
NSN: 5331-01-547-3523
FSC Code: 5331
MPN: 1837802C1

5331-01-547-3521 (1837803C1)

NIIN: 01-547-3521
In stock
NSN: 5331-01-547-3521
FSC Code: 5331
MPN: 1837803C1

5331-01-547-3527 (1837801C1)

NIIN: 01-547-3527
In stock
NSN: 5331-01-547-3527
FSC Code: 5331
MPN: 1837801C1

5331-01-547-3516 (1837889C1)

NIIN: 01-547-3516
In stock
NSN: 5331-01-547-3516
FSC Code: 5331
MPN: 1837889C1

5331-00-815-5115 (5-101C147-7)

NIIN: 00-815-5115
In stock
NSN: 5331-00-815-5115
FSC Code: 5331
MPN: 5101C1477

5331-01-198-3491 (5-101-N304-75)

NIIN: 01-198-3491
In stock
NSN: 5331-01-198-3491
FSC Code: 5331
MPN: 5101N30475

5331-01-547-3548 (1837644C91)

NIIN: 01-547-3548
In stock
NSN: 5331-01-547-3548
FSC Code: 5331
MPN: 1837644C91

5331-01-547-3568 (1837642C1)

NIIN: 01-547-3568
In stock
NSN: 5331-01-547-3568
FSC Code: 5331
MPN: 1837642C1

5331-01-249-9341 (5-1017N506-65)

NIIN: 01-249-9341
In stock
NSN: 5331-01-249-9341
FSC Code: 5331
MPN: 51017N50665

5331-01-547-3969 (1834623C1)

NIIN: 01-547-3969
In stock
NSN: 5331-01-547-3969
FSC Code: 5331
MPN: 1834623C1

5331-01-155-6092 (51-011)

NIIN: 01-155-6092
In stock
NSN: 5331-01-155-6092
FSC Code: 5331
MPN: 51011

5331-00-225-9866 (5-101)

NIIN: 00-225-9866
In stock
NSN: 5331-00-225-9866
FSC Code: 5331
MPN: 5101

5331-00-932-9926 (5-101)

NIIN: 00-932-9926
In stock
NSN: 5331-00-932-9926
FSC Code: 5331
MPN: 5101

5331-00-684-3114 (5-101)

NIIN: 00-684-3114
In stock
NSN: 5331-00-684-3114
FSC Code: 5331
MPN: 5101

5331-01-458-2811 (183214-912-11)

NIIN: 01-458-2811
In stock
NSN: 5331-01-458-2811
FSC Code: 5331
MPN: 18321491211

5331-01-547-4014 (1831211C1)

NIIN: 01-547-4014
In stock
NSN: 5331-01-547-4014
FSC Code: 5331
MPN: 1831211C1

5331-01-556-5115 (1831398C1)

NIIN: 01-556-5115
In stock
NSN: 5331-01-556-5115
FSC Code: 5331
MPN: 1831398C1

5331-01-387-2975 (1830941C1)

NIIN: 01-387-2975
In stock
NSN: 5331-01-387-2975
FSC Code: 5331
MPN: 1830941C1

5331-01-556-5113 (1830742C92)

NIIN: 01-556-5113
In stock
NSN: 5331-01-556-5113
FSC Code: 5331
MPN: 1830742C92

5331-01-036-0916 (510-016)

NIIN: 01-036-0916
In stock
NSN: 5331-01-036-0916
FSC Code: 5331
MPN: 510016

5331-01-161-6042 (5100-1750)

NIIN: 01-161-6042
In stock
NSN: 5331-01-161-6042
FSC Code: 5331
MPN: 51001750

5331-01-106-6456 (5-100-150-12-2-110000)

NIIN: 01-106-6456
In stock
NSN: 5331-01-106-6456
FSC Code: 5331
MPN: 5100150122110000

5331-00-441-9855 (51000-7)

NIIN: 00-441-9855
In stock
NSN: 5331-00-441-9855
FSC Code: 5331
MPN: 510007

5331-00-083-7722 (50P653)

NIIN: 00-083-7722
In stock
NSN: 5331-00-083-7722
FSC Code: 5331
MPN: 50P653

5331-00-083-7721 (50P392)

NIIN: 00-083-7721
In stock
NSN: 5331-00-083-7721
FSC Code: 5331
MPN: 50P392

5331-00-083-7724 (50P385)

NIIN: 00-083-7724
In stock
NSN: 5331-00-083-7724
FSC Code: 5331
MPN: 50P385

5331-00-425-1081 (50GR2)

NIIN: 00-425-1081
In stock
NSN: 5331-00-425-1081
FSC Code: 5331
MPN: 50GR2

5331-01-027-9544 (50G19R602)

NIIN: 01-027-9544
In stock
NSN: 5331-01-027-9544
FSC Code: 5331
MPN: 50G19R602

5331-01-324-0915 (50F-CS)

NIIN: 01-324-0915
In stock
NSN: 5331-01-324-0915
FSC Code: 5331
MPN: 50FCS

5331-01-308-9032 (50F-B-3IN-10)

NIIN: 01-308-9032
In stock
NSN: 5331-01-308-9032
FSC Code: 5331
MPN: 50FB3IN10

5331-01-215-9650 (50F-B1.50IN)

NIIN: 01-215-9650
In stock
NSN: 5331-01-215-9650
FSC Code: 5331
MPN: 50FB150IN

5331-01-324-2540 (50F-CS)

NIIN: 01-324-2540
In stock
NSN: 5331-01-324-2540
FSC Code: 5331
MPN: 50FCS