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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.

5331-01-008-4239 (69494K902)

NIIN: 01-008-4239
In stock
NSN: 5331-01-008-4239
FSC Code: 5331
MPN: 69494K902

5331-00-390-1798 (69494K13)

NIIN: 00-390-1798
In stock
NSN: 5331-00-390-1798
FSC Code: 5331
MPN: 69494K13

5331-00-405-2512 (69494K115)

NIIN: 00-405-2512
In stock
NSN: 5331-00-405-2512
FSC Code: 5331
MPN: 69494K115

5331-00-137-6599 (69494K147)

NIIN: 00-137-6599
In stock
NSN: 5331-00-137-6599
FSC Code: 5331
MPN: 69494K147

5331-00-135-1380 (69494K223)

NIIN: 00-135-1380
In stock
NSN: 5331-00-135-1380
FSC Code: 5331
MPN: 69494K223

5331-01-236-9191 (69494K151)

NIIN: 01-236-9191
In stock
NSN: 5331-01-236-9191
FSC Code: 5331
MPN: 69494K151

5331-00-229-3824 (69494K124)

NIIN: 00-229-3824
In stock
NSN: 5331-00-229-3824
FSC Code: 5331
MPN: 69494K124

5331-01-319-9213 (69494K137)

NIIN: 01-319-9213
In stock
NSN: 5331-01-319-9213
FSC Code: 5331
MPN: 69494K137

5331-00-138-0092 (69494J910)

NIIN: 00-138-0092
In stock
NSN: 5331-00-138-0092
FSC Code: 5331
MPN: 69494J910

5331-00-221-1319 (69494K113)

NIIN: 00-221-1319
In stock
NSN: 5331-00-221-1319
FSC Code: 5331
MPN: 69494K113

5331-00-138-0095 (69494J908)

NIIN: 00-138-0095
In stock
NSN: 5331-00-138-0095
FSC Code: 5331
MPN: 69494J908

5331-00-138-9821 (69494J903)

NIIN: 00-138-9821
In stock
NSN: 5331-00-138-9821
FSC Code: 5331
MPN: 69494J903

5331-01-008-4236 (69494J9)

NIIN: 01-008-4236
In stock
NSN: 5331-01-008-4236
FSC Code: 5331
MPN: 69494J9

5331-00-135-1379 (69494K122)

NIIN: 00-135-1379
In stock
NSN: 5331-00-135-1379
FSC Code: 5331
MPN: 69494K122

5331-01-008-4238 (69494J916)

NIIN: 01-008-4238
In stock
NSN: 5331-01-008-4238
FSC Code: 5331
MPN: 69494J916

5331-00-449-2949 (69494K11)

NIIN: 00-449-2949
In stock
NSN: 5331-00-449-2949
FSC Code: 5331
MPN: 69494K11

5331-01-049-9191 (69494J912)

NIIN: 01-049-9191
In stock
NSN: 5331-01-049-9191
FSC Code: 5331
MPN: 69494J912

5331-00-390-1851 (69494K10)

NIIN: 00-390-1851
In stock
NSN: 5331-00-390-1851
FSC Code: 5331
MPN: 69494K10

5331-00-138-0094 (69494J8)

NIIN: 00-138-0094
In stock
NSN: 5331-00-138-0094
FSC Code: 5331
MPN: 69494J8

5331-01-049-9190 (69494J902)

NIIN: 01-049-9190
In stock
NSN: 5331-01-049-9190
FSC Code: 5331
MPN: 69494J902

5331-12-312-3068 (700429300000)

NIIN: 12-312-3068
In stock
NSN: 5331-12-312-3068
FSC Code: 5331
MPN: 700429300000

5331-01-008-4237 (69494J905)

NIIN: 01-008-4237
In stock
NSN: 5331-01-008-4237
FSC Code: 5331
MPN: 69494J905

5331-00-757-8549 (69494J38)

NIIN: 00-757-8549
In stock
NSN: 5331-00-757-8549
FSC Code: 5331
MPN: 69494J38

5331-01-245-2598 (69494J43)

NIIN: 01-245-2598
In stock
NSN: 5331-01-245-2598
FSC Code: 5331
MPN: 69494J43

5331-01-224-4656 (69494J6)

NIIN: 01-224-4656
In stock
NSN: 5331-01-224-4656
FSC Code: 5331
MPN: 69494J6

5331-01-009-5130 (69494J42)

NIIN: 01-009-5130
In stock
NSN: 5331-01-009-5130
FSC Code: 5331
MPN: 69494J42

5331-01-223-6757 (69494J7)

NIIN: 01-223-6757
In stock
NSN: 5331-01-223-6757
FSC Code: 5331
MPN: 69494J7

5331-01-233-2955 (69494J446)

NIIN: 01-233-2955
In stock
NSN: 5331-01-233-2955
FSC Code: 5331
MPN: 69494J446

5331-00-164-5264 (69494J439)

NIIN: 00-164-5264
In stock
NSN: 5331-00-164-5264
FSC Code: 5331
MPN: 69494J439

5331-01-253-9036 (69494J333)

NIIN: 01-253-9036
In stock
NSN: 5331-01-253-9036
FSC Code: 5331
MPN: 69494J333

5331-00-243-7085 (69494J330)

NIIN: 00-243-7085
In stock
NSN: 5331-00-243-7085
FSC Code: 5331
MPN: 69494J330

5331-01-202-3846 (69494J274)

NIIN: 01-202-3846
In stock
NSN: 5331-01-202-3846
FSC Code: 5331
MPN: 69494J274

5331-01-205-2859 (69494J271)

NIIN: 01-205-2859
In stock
NSN: 5331-01-205-2859
FSC Code: 5331
MPN: 69494J271

5331-00-405-5289 (69494J226)

NIIN: 00-405-5289
In stock
NSN: 5331-00-405-5289
FSC Code: 5331
MPN: 69494J226

5331-01-328-0870 (69494J230)

NIIN: 01-328-0870
In stock
NSN: 5331-01-328-0870
FSC Code: 5331
MPN: 69494J230

5331-01-236-7473 (69494J24)

NIIN: 01-236-7473
In stock
NSN: 5331-01-236-7473
FSC Code: 5331
MPN: 69494J24

5331-00-169-1864 (69494J228)

NIIN: 00-169-1864
In stock
NSN: 5331-00-169-1864
FSC Code: 5331
MPN: 69494J228

5331-01-058-4019 (69494J222)

NIIN: 01-058-4019
In stock
NSN: 5331-01-058-4019
FSC Code: 5331
MPN: 69494J222

5331-01-030-3367 (69494J219)

NIIN: 01-030-3367
In stock
NSN: 5331-01-030-3367
FSC Code: 5331
MPN: 69494J219

5331-00-405-5290 (69494J215)

NIIN: 00-405-5290
In stock
NSN: 5331-00-405-5290
FSC Code: 5331
MPN: 69494J215

5331-01-008-6058 (69494J22)

NIIN: 01-008-6058
In stock
NSN: 5331-01-008-6058
FSC Code: 5331
MPN: 69494J22

5331-01-028-9355 (69494J20)

NIIN: 01-028-9355
In stock
NSN: 5331-01-028-9355
FSC Code: 5331
MPN: 69494J20

5331-00-757-8556 (69494J21)

NIIN: 00-757-8556
In stock
NSN: 5331-00-757-8556
FSC Code: 5331
MPN: 69494J21

5331-01-200-7818 (69494J19)

NIIN: 01-200-7818
In stock
NSN: 5331-01-200-7818
FSC Code: 5331
MPN: 69494J19

5331-01-061-7460 (69494J18)

NIIN: 01-061-7460
In stock
NSN: 5331-01-061-7460
FSC Code: 5331
MPN: 69494J18

5331-01-207-0268 (69494J170)

NIIN: 01-207-0268
In stock
NSN: 5331-01-207-0268
FSC Code: 5331
MPN: 69494J170

5331-01-266-4699 (69494J167)

NIIN: 01-266-4699
In stock
NSN: 5331-01-266-4699
FSC Code: 5331
MPN: 69494J167

5331-01-222-5944 (69494J16)

NIIN: 01-222-5944
In stock
NSN: 5331-01-222-5944
FSC Code: 5331
MPN: 69494J16