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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.

5331-01-616-0032 (0200-001-237)

NIIN: 01-616-0032
In stock
NSN: 5331-01-616-0032
FSC Code: 5331
MPN: 0200001237

5331-01-615-9708 (CH183X0089H)

NIIN: 01-615-9708
In stock
NSN: 5331-01-615-9708
FSC Code: 5331
MPN: CH183X0089H

5331-01-615-9009 (4400483-1390)

NIIN: 01-615-9009
In stock
NSN: 5331-01-615-9009
FSC Code: 5331
MPN: 44004831390

5331-01-615-5123 (AS568A-908)

NIIN: 01-615-5123
In stock
NSN: 5331-01-615-5123
FSC Code: 5331
MPN: AS568A908

5331-01-616-3310 (60K400206)

NIIN: 01-616-3310
In stock
NSN: 5331-01-616-3310
FSC Code: 5331
MPN: 60K400206

5331-01-616-2316 (D50-0075-SK)

NIIN: 01-616-2316
In stock
NSN: 5331-01-616-2316
FSC Code: 5331
MPN: D500075SK

5331-01-616-1113 (800817)

NIIN: 01-616-1113
In stock
NSN: 5331-01-616-1113
FSC Code: 5331
MPN: 800817

5331-01-616-0886 (50896)

NIIN: 01-616-0886
In stock
NSN: 5331-01-616-0886
FSC Code: 5331
MPN: 50896

5331-01-615-8170 (2-021T)

NIIN: 01-615-8170
In stock
NSN: 5331-01-615-8170
FSC Code: 5331
MPN: 2021T

5331-01-615-5247 (4485010-000)

NIIN: 01-615-5247
In stock
NSN: 5331-01-615-5247
FSC Code: 5331
MPN: 4485010000

5331-01-615-5615 (M83485/1-170)

NIIN: 01-615-5615
In stock
NSN: 5331-01-615-5615
FSC Code: 5331
MPN: M834851170

5331-01-615-5111 (R910593168)

NIIN: 01-615-5111
In stock
NSN: 5331-01-615-5111
FSC Code: 5331
MPN: R910593168

5331-01-615-4824 (001.05.1120)

NIIN: 01-615-4824
In stock
NSN: 5331-01-615-4824
FSC Code: 5331
MPN: 001051120

5331-01-616-3063 (AS568-024)

NIIN: 01-616-3063
In stock
NSN: 5331-01-616-3063
FSC Code: 5331
MPN: AS568024

5331-01-616-2740 (V1164 2-114)

NIIN: 01-616-2740
In stock
NSN: 5331-01-616-2740
FSC Code: 5331
MPN: V11642114

5331-01-615-7312 (AN6227B27)

NIIN: 01-615-7312
In stock
NSN: 5331-01-615-7312
FSC Code: 5331
MPN: AN6227B27

5331-01-615-5569 (9557K465)

NIIN: 01-615-5569
In stock
NSN: 5331-01-615-5569
FSC Code: 5331
MPN: 9557K465

5331-01-616-0831 (895854)

NIIN: 01-616-0831
In stock
NSN: 5331-01-616-0831
FSC Code: 5331
MPN: 895854

5331-01-615-8607 (167-7323)

NIIN: 01-615-8607
In stock
NSN: 5331-01-615-8607
FSC Code: 5331
MPN: 1677323

5331-01-615-6628 (895854A01)

NIIN: 01-615-6628
In stock
NSN: 5331-01-615-6628
FSC Code: 5331
MPN: 895854A01

5331-01-615-5899 (HWL-313)

NIIN: 01-615-5899
In stock
NSN: 5331-01-615-5899
FSC Code: 5331
MPN: HWL313

5331-01-615-5250 (4485001-010)

NIIN: 01-615-5250
In stock
NSN: 5331-01-615-5250
FSC Code: 5331
MPN: 4485001010

5331-01-615-2798 (846594)

NIIN: 01-615-2798
In stock
NSN: 5331-01-615-2798
FSC Code: 5331
MPN: 846594

5331-01-615-0779 (28KP096)

NIIN: 01-615-0779
In stock
NSN: 5331-01-615-0779
FSC Code: 5331
MPN: 28KP096

5331-01-615-7816 (800813)

NIIN: 01-615-7816
In stock
NSN: 5331-01-615-7816
FSC Code: 5331
MPN: 800813

5331-01-615-2245 (O-1-5-7)

NIIN: 01-615-2245
In stock
NSN: 5331-01-615-2245
FSC Code: 5331
MPN: O157

5331-01-615-2236 (O-2-2-28)

NIIN: 01-615-2236
In stock
NSN: 5331-01-615-2236
FSC Code: 5331
MPN: O2228

5331-01-615-1769 (303190)

NIIN: 01-615-1769
In stock
NSN: 5331-01-615-1769
FSC Code: 5331
MPN: 303190

5331-01-615-0342 (1862376)

NIIN: 01-615-0342
In stock
NSN: 5331-01-615-0342
FSC Code: 5331
MPN: 1862376

5331-01-614-9463 (6D60226-001)

NIIN: 01-614-9463
In stock
NSN: 5331-01-614-9463
FSC Code: 5331
MPN: 6D60226001

5331-01-615-8165 (2-018T)

NIIN: 01-615-8165
In stock
NSN: 5331-01-615-8165
FSC Code: 5331
MPN: 2018T

5331-01-615-4777 (R910942133)

NIIN: 01-615-4777
In stock
NSN: 5331-01-615-4777
FSC Code: 5331
MPN: R910942133

5331-01-614-9173 (M83485/1-156)

NIIN: 01-614-9173
In stock
NSN: 5331-01-614-9173
FSC Code: 5331
MPN: M834851156

5331-01-614-9015 (M83485/1-153)

NIIN: 01-614-9015
In stock
NSN: 5331-01-614-9015
FSC Code: 5331
MPN: M834851153

5331-01-614-8927 (OR.38X.50VITON)

NIIN: 01-614-8927
In stock
NSN: 5331-01-614-8927
FSC Code: 5331
MPN: OR38X50VITON

5331-01-614-8562 (888162)

NIIN: 01-614-8562
In stock
NSN: 5331-01-614-8562
FSC Code: 5331
MPN: 888162

5331-01-615-8648 (2415H009)

NIIN: 01-615-8648
In stock
NSN: 5331-01-615-8648
FSC Code: 5331
MPN: 2415H009

5331-01-615-4133 (R900071532)

NIIN: 01-615-4133
In stock
NSN: 5331-01-615-4133
FSC Code: 5331
MPN: R900071532

5331-01-615-2633 (887930)

NIIN: 01-615-2633
In stock
NSN: 5331-01-615-2633
FSC Code: 5331
MPN: 887930

5331-01-615-2251 (O-1-3-5)

NIIN: 01-615-2251
In stock
NSN: 5331-01-615-2251
FSC Code: 5331
MPN: O135

5331-01-615-1359 (52984 ITEM NO 33)

NIIN: 01-615-1359
In stock
NSN: 5331-01-615-1359
FSC Code: 5331
MPN: 52984ITEMNO33

5331-01-615-0343 (810978)

NIIN: 01-615-0343
In stock
NSN: 5331-01-615-0343
FSC Code: 5331
MPN: 810978

5331-01-615-5617 (M83485/1-232)

NIIN: 01-615-5617
In stock
NSN: 5331-01-615-5617
FSC Code: 5331
MPN: M834851232

5331-01-615-3609 (101-011)

NIIN: 01-615-3609
In stock
NSN: 5331-01-615-3609
FSC Code: 5331
MPN: 101011

5331-01-615-2247 (O-2-1-20)

NIIN: 01-615-2247
In stock
NSN: 5331-01-615-2247
FSC Code: 5331
MPN: O2120

5331-01-615-0345 (804670)

NIIN: 01-615-0345
In stock
NSN: 5331-01-615-0345
FSC Code: 5331
MPN: 804670

5331-01-614-8683 (103500)

NIIN: 01-614-8683
In stock
NSN: 5331-01-614-8683
FSC Code: 5331
MPN: 103500

5331-01-614-4780 (820533)

NIIN: 01-614-4780
In stock
NSN: 5331-01-614-4780
FSC Code: 5331
MPN: 820533