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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.

5331-01-020-9709 (600-0143PC9)

NIIN: 01-020-9709
In stock
NSN: 5331-01-020-9709
FSC Code: 5331
MPN: 6000143PC9

5331-01-013-7131 (600-0109PC32)

NIIN: 01-013-7131
In stock
NSN: 5331-01-013-7131
FSC Code: 5331
MPN: 6000109PC32

5331-01-185-8545 (600-0128PC19)

NIIN: 01-185-8545
In stock
NSN: 5331-01-185-8545
FSC Code: 5331
MPN: 6000128PC19

5331-01-436-9047 (2-257-V0986-50)

NIIN: 01-436-9047
In stock
NSN: 5331-01-436-9047
FSC Code: 5331
MPN: 2257V098650

5331-00-242-7109 (600-00816)

NIIN: 00-242-7109
In stock
NSN: 5331-00-242-7109
FSC Code: 5331
MPN: 60000816

5331-01-534-3948 (225-7003)

NIIN: 01-534-3948
In stock
NSN: 5331-01-534-3948
FSC Code: 5331
MPN: 2257003

5331-01-538-5437 (225-6909)

NIIN: 01-538-5437
In stock
NSN: 5331-01-538-5437
FSC Code: 5331
MPN: 2256909

5331-01-446-4829 (22566-211)

NIIN: 01-446-4829
In stock
NSN: 5331-01-446-4829
FSC Code: 5331
MPN: 22566211

5331-01-446-4831 (22566-115)

NIIN: 01-446-4831
In stock
NSN: 5331-01-446-4831
FSC Code: 5331
MPN: 22566115

5331-01-501-3064 (5331PL0848138)

NIIN: 01-501-3064
In stock
NSN: 5331-01-501-3064
FSC Code: 5331
MPN: 5331PL0848138

5331-01-494-3110 (598162C2)

NIIN: 01-494-3110
In stock
NSN: 5331-01-494-3110
FSC Code: 5331
MPN: 598162C2

5331-01-460-5394 (2-256)

NIIN: 01-460-5394
In stock
NSN: 5331-01-460-5394
FSC Code: 5331
MPN: 2256

5331-01-416-5304 (225-517)

NIIN: 01-416-5304
In stock
NSN: 5331-01-416-5304
FSC Code: 5331
MPN: 225517

5331-01-176-7931 (60000-18)

NIIN: 01-176-7931
In stock
NSN: 5331-01-176-7931
FSC Code: 5331
MPN: 6000018

5331-01-406-2156 (2-254N525-60)

NIIN: 01-406-2156
In stock
NSN: 5331-01-406-2156
FSC Code: 5331
MPN: 2254N52560

5331-01-502-5758 (2-254C557-70)

NIIN: 01-502-5758
In stock
NSN: 5331-01-502-5758
FSC Code: 5331
MPN: 2254C55770

5331-01-211-0478 (60000-06)

NIIN: 01-211-0478
In stock
NSN: 5331-01-211-0478
FSC Code: 5331
MPN: 6000006

5331-01-415-8839 (22546-14)

NIIN: 01-415-8839
In stock
NSN: 5331-01-415-8839
FSC Code: 5331
MPN: 2254614

5331-01-415-8838 (22546-18)

NIIN: 01-415-8838
In stock
NSN: 5331-01-415-8838
FSC Code: 5331
MPN: 2254618

5331-01-527-5168 (2-254)

NIIN: 01-527-5168
In stock
NSN: 5331-01-527-5168
FSC Code: 5331
MPN: 2254

5331-01-247-8516 (6.327.0.855.001.4)

NIIN: 01-247-8516
In stock
NSN: 5331-01-247-8516
FSC Code: 5331
MPN: 632708550014

5331-01-530-3327 (2-253N0552-90)

NIIN: 01-530-3327
In stock
NSN: 5331-01-530-3327
FSC Code: 5331
MPN: 2253N055290

5331-01-476-8918 (2-252N0525-60)

NIIN: 01-476-8918
In stock
NSN: 5331-01-476-8918
FSC Code: 5331
MPN: 2252N052560

5331-01-343-1717 (HV22-525-5-HT)

NIIN: 01-343-1717
In stock
NSN: 5331-01-343-1717
FSC Code: 5331
MPN: HV225255HT

5331-01-236-9919 (6.0690.64.9.0302)

NIIN: 01-236-9919
In stock
NSN: 5331-01-236-9919
FSC Code: 5331
MPN: 606906490302

5331-01-246-4357 (6.0690.12.8.0220)

NIIN: 01-246-4357
In stock
NSN: 5331-01-246-4357
FSC Code: 5331
MPN: 606901280220

5331-01-523-2278 (2-252)

NIIN: 01-523-2278
In stock
NSN: 5331-01-523-2278
FSC Code: 5331
MPN: 2252

5331-01-247-8510 (6.0493.10.4.0143)

NIIN: 01-247-8510
In stock
NSN: 5331-01-247-8510
FSC Code: 5331
MPN: 604931040143

5331-01-239-8634 (6.0493.10.6.0204)

NIIN: 01-239-8634
In stock
NSN: 5331-01-239-8634
FSC Code: 5331
MPN: 604931060204

5331-01-239-8635 (6.0493.10.8.0113)

NIIN: 01-239-8635
In stock
NSN: 5331-01-239-8635
FSC Code: 5331
MPN: 604931080113

5331-01-220-2620 (6.0493.10.4.0082)

NIIN: 01-220-2620
In stock
NSN: 5331-01-220-2620
FSC Code: 5331
MPN: 604931040082

5331-01-246-1370 (6.0493.10.4.0423)

NIIN: 01-246-1370
In stock
NSN: 5331-01-246-1370
FSC Code: 5331
MPN: 604931040423

5331-01-246-4358 (6.0493.10.6.1104)

NIIN: 01-246-4358
In stock
NSN: 5331-01-246-4358
FSC Code: 5331
MPN: 604931061104

5331-01-245-0165 (6.0492.01.0.1822)

NIIN: 01-245-0165
In stock
NSN: 5331-01-245-0165
FSC Code: 5331
MPN: 604920101822

5331-01-247-8518 (6.0493.10.6.0153)

NIIN: 01-247-8518
In stock
NSN: 5331-01-247-8518
FSC Code: 5331
MPN: 604931060153

5331-01-246-1369 (6.0493.10.0.0324)

NIIN: 01-246-1369
In stock
NSN: 5331-01-246-1369
FSC Code: 5331
MPN: 604931000324

5331-01-247-8511 (6.0492.01.0.1620)

NIIN: 01-247-8511
In stock
NSN: 5331-01-247-8511
FSC Code: 5331
MPN: 604920101620

5331-01-247-8517 (6.0492.01.1.1824)

NIIN: 01-247-8517
In stock
NSN: 5331-01-247-8517
FSC Code: 5331
MPN: 604920111824

5331-01-246-4359 (6.0492.01.0.1218)

NIIN: 01-246-4359
In stock
NSN: 5331-01-246-4359
FSC Code: 5331
MPN: 604920101218

5331-01-472-4712 (22504-228)

NIIN: 01-472-4712
In stock
NSN: 5331-01-472-4712
FSC Code: 5331
MPN: 22504228

5331-00-790-6324 (5X-522)

NIIN: 00-790-6324
In stock
NSN: 5331-00-790-6324
FSC Code: 5331
MPN: 5X522

5331-00-964-0098 (5X678)

NIIN: 00-964-0098
In stock
NSN: 5331-00-964-0098
FSC Code: 5331
MPN: 5X678

5331-00-964-0097 (5X591)

NIIN: 00-964-0097
In stock
NSN: 5331-00-964-0097
FSC Code: 5331
MPN: 5X591

5331-00-851-6921 (5X589)

NIIN: 00-851-6921
In stock
NSN: 5331-00-851-6921
FSC Code: 5331
MPN: 5X589

5331-01-188-0886 (5X3)

NIIN: 01-188-0886
In stock
NSN: 5331-01-188-0886
FSC Code: 5331
MPN: 5X3

5331-01-188-0887 (5X4)

NIIN: 01-188-0887
In stock
NSN: 5331-01-188-0887
FSC Code: 5331
MPN: 5X4

5331-01-295-1074 (5X1268)

NIIN: 01-295-1074
In stock
NSN: 5331-01-295-1074
FSC Code: 5331
MPN: 5X1268

5331-01-381-6064 (850760-0001)

NIIN: 01-381-6064
In stock
NSN: 5331-01-381-6064
FSC Code: 5331
MPN: 8507600001