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.

5331-01-553-4281 (9169M40P154)

NIIN: 01-553-4281
In stock
NSN: 5331-01-553-4281
FSC Code: 5331
MPN: 9169M40P154

5331-01-498-4839 (9169M40P78)

NIIN: 01-498-4839
In stock
NSN: 5331-01-498-4839
FSC Code: 5331
MPN: 9169M40P78

5331-01-498-4741 (9169M40P86)

NIIN: 01-498-4741
In stock
NSN: 5331-01-498-4741
FSC Code: 5331
MPN: 9169M40P86

5331-01-377-2768 (915706C1)

NIIN: 01-377-2768
In stock
NSN: 5331-01-377-2768
FSC Code: 5331
MPN: 915706C1

5331-01-350-0463 (915)

NIIN: 01-350-0463
In stock
NSN: 5331-01-350-0463
FSC Code: 5331
MPN: 915

5331-01-383-6797 (91417-916-17)

NIIN: 01-383-6797
In stock
NSN: 5331-01-383-6797
FSC Code: 5331
MPN: 9141791617

5331-01-408-8557 (91417-015)

NIIN: 01-408-8557
In stock
NSN: 5331-01-408-8557
FSC Code: 5331
MPN: 91417015

5331-01-408-8552 (91417-016-1)

NIIN: 01-408-8552
In stock
NSN: 5331-01-408-8552
FSC Code: 5331
MPN: 914170161

5331-01-408-8550 (91417-014)

NIIN: 01-408-8550
In stock
NSN: 5331-01-408-8550
FSC Code: 5331
MPN: 91417014

5331-01-435-1255 (913BDE/34)

NIIN: 01-435-1255
In stock
NSN: 5331-01-435-1255
FSC Code: 5331
MPN: 913BDE34

5331-01-435-1258 (913BDE/32)

NIIN: 01-435-1258
In stock
NSN: 5331-01-435-1258
FSC Code: 5331
MPN: 913BDE32

5331-01-435-1259 (913BDE/49)

NIIN: 01-435-1259
In stock
NSN: 5331-01-435-1259
FSC Code: 5331
MPN: 913BDE49

5331-01-508-7448 (91359-MB0-000)

NIIN: 01-508-7448
In stock
NSN: 5331-01-508-7448
FSC Code: 5331
MPN: 91359MB0000

5331-01-508-7385 (91356-SD4-952)

NIIN: 01-508-7385
In stock
NSN: 5331-01-508-7385
FSC Code: 5331
MPN: 91356SD4952

5331-01-508-7471 (91356-ZW1-B00)

NIIN: 01-508-7471
In stock
NSN: 5331-01-508-7471
FSC Code: 5331
MPN: 91356ZW1B00

5331-01-508-7417 (91324-PC6-000)

NIIN: 01-508-7417
In stock
NSN: 5331-01-508-7417
FSC Code: 5331
MPN: 91324PC6000

5331-01-382-5915 (913213-0150)

NIIN: 01-382-5915
In stock
NSN: 5331-01-382-5915
FSC Code: 5331
MPN: 9132130150

5331-01-564-1301 (91319-PR3-003)

NIIN: 01-564-1301
In stock
NSN: 5331-01-564-1301
FSC Code: 5331
MPN: 91319PR3003

5331-01-508-7373 (91305-KT7-003)

NIIN: 01-508-7373
In stock
NSN: 5331-01-508-7373
FSC Code: 5331
MPN: 91305KT7003

5331-01-508-7443 (91309-PJ7-010)

NIIN: 01-508-7443
In stock
NSN: 5331-01-508-7443
FSC Code: 5331
MPN: 91309PJ7010

5331-01-508-7476 (91303-P0A-A02)

NIIN: 01-508-7476
In stock
NSN: 5331-01-508-7476
FSC Code: 5331
MPN: 91303P0AA02

5331-01-508-7414 (91305-KC1-850)

NIIN: 01-508-7414
In stock
NSN: 5331-01-508-7414
FSC Code: 5331
MPN: 91305KC1850

5331-01-508-7440 (91308-MJ0-003)

NIIN: 01-508-7440
In stock
NSN: 5331-01-508-7440
FSC Code: 5331
MPN: 91308MJ0003

5331-01-560-5062 (91307-PNA-003)

NIIN: 01-560-5062
In stock
NSN: 5331-01-560-5062
FSC Code: 5331
MPN: 91307PNA003

5331-01-551-5313 (91301-ZW4-003)

NIIN: 01-551-5313
In stock
NSN: 5331-01-551-5313
FSC Code: 5331
MPN: 91301ZW4003

5331-01-508-7380 (91307-PK2-005)

NIIN: 01-508-7380
In stock
NSN: 5331-01-508-7380
FSC Code: 5331
MPN: 91307PK2005

5331-01-564-1386 (91303-ZY3-000)

NIIN: 01-564-1386
In stock
NSN: 5331-01-564-1386
FSC Code: 5331
MPN: 91303ZY3000

5331-01-508-7428 (91303-ZW1-003)

NIIN: 01-508-7428
In stock
NSN: 5331-01-508-7428
FSC Code: 5331
MPN: 91303ZW1003

5331-01-508-7438 (91302-PF0-003)

NIIN: 01-508-7438
In stock
NSN: 5331-01-508-7438
FSC Code: 5331
MPN: 91302PF0003

5331-01-508-7412 (91301-805-000)

NIIN: 01-508-7412
In stock
NSN: 5331-01-508-7412
FSC Code: 5331
MPN: 91301805000

5331-01-508-7422 (91301-PM7-003)

NIIN: 01-508-7422
In stock
NSN: 5331-01-508-7422
FSC Code: 5331
MPN: 91301PM7003

5331-01-525-4054 (91301-ZY3-003)

NIIN: 01-525-4054
In stock
NSN: 5331-01-525-4054
FSC Code: 5331
MPN: 91301ZY3003

5331-01-512-3712 (A912099-00937)

NIIN: 01-512-3712
In stock
NSN: 5331-01-512-3712
FSC Code: 5331
MPN: A91209900937

5331-01-408-8487 (9118-777)

NIIN: 01-408-8487
In stock
NSN: 5331-01-408-8487
FSC Code: 5331
MPN: 9118777

5331-01-537-4343 (910-A-18230)

NIIN: 01-537-4343
In stock
NSN: 5331-01-537-4343
FSC Code: 5331
MPN: 910A18230

5331-01-461-9771 (91090-1-6)

NIIN: 01-461-9771
In stock
NSN: 5331-01-461-9771
FSC Code: 5331
MPN: 9109016

5331-00-346-2895 (MDL284GA12)

NIIN: 00-346-2895
In stock
NSN: 5331-00-346-2895
FSC Code: 5331
MPN: MDL284GA12

5331-00-323-1843 (MDL187GA12)

NIIN: 00-323-1843
In stock
NSN: 5331-00-323-1843
FSC Code: 5331
MPN: MDL187GA12

5331-01-268-6816 (MDL)

NIIN: 01-268-6816
In stock
NSN: 5331-01-268-6816
FSC Code: 5331
MPN: MDL

5331-01-142-1005 (MDF60)

NIIN: 01-142-1005
In stock
NSN: 5331-01-142-1005
FSC Code: 5331
MPN: MDF60

5331-01-148-6219 (MDF60)

NIIN: 01-148-6219
In stock
NSN: 5331-01-148-6219
FSC Code: 5331
MPN: MDF60

5331-01-142-1007 (MDF60)

NIIN: 01-142-1007
In stock
NSN: 5331-01-142-1007
FSC Code: 5331
MPN: MDF60

5331-01-142-1006 (MDF60)

NIIN: 01-142-1006
In stock
NSN: 5331-01-142-1006
FSC Code: 5331
MPN: MDF60

5331-01-469-8620 (91054-1-6)

NIIN: 01-469-8620
In stock
NSN: 5331-01-469-8620
FSC Code: 5331
MPN: 9105416

5331-01-141-1856 (MDD-100-1)

NIIN: 01-141-1856
In stock
NSN: 5331-01-141-1856
FSC Code: 5331
MPN: MDD1001

5331-99-143-1359 (910-412-0013)

NIIN: 99-143-1359
In stock
NSN: 5331-99-143-1359
FSC Code: 5331
MPN: 9104120013

5331-01-439-4179 (91013A1000-11)

NIIN: 01-439-4179
In stock
NSN: 5331-01-439-4179
FSC Code: 5331
MPN: 91013A100011

5331-00-161-9650 (MD1000)

NIIN: 00-161-9650
In stock
NSN: 5331-00-161-9650
FSC Code: 5331
MPN: MD1000