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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.

5331-01-264-5929 (SS800-272)

NIIN: 01-264-5929
In stock
NSN: 5331-01-264-5929
FSC Code: 5331
MPN: SS800272

5331-01-264-5924 (SS800-176)

NIIN: 01-264-5924
In stock
NSN: 5331-01-264-5924
FSC Code: 5331
MPN: SS800176

5331-01-264-5926 (SS800-271)

NIIN: 01-264-5926
In stock
NSN: 5331-01-264-5926
FSC Code: 5331
MPN: SS800271

5331-01-265-1214 (SS800-152)

NIIN: 01-265-1214
In stock
NSN: 5331-01-265-1214
FSC Code: 5331
MPN: SS800152

5331-01-137-9585 (SS-65SW16P)

NIIN: 01-137-9585
In stock
NSN: 5331-01-137-9585
FSC Code: 5331
MPN: SS65SW16P

5331-01-137-9584 (SS-65SW16P)

NIIN: 01-137-9584
In stock
NSN: 5331-01-137-9584
FSC Code: 5331
MPN: SS65SW16P

5331-01-367-6594 (DH3-145)

NIIN: 01-367-6594
In stock
NSN: 5331-01-367-6594
FSC Code: 5331
MPN: DH3145

5331-00-180-9794 (SS4036A014)

NIIN: 00-180-9794
In stock
NSN: 5331-00-180-9794
FSC Code: 5331
MPN: SS4036A014

5331-01-352-3182 (DH1B-21)

NIIN: 01-352-3182
In stock
NSN: 5331-01-352-3182
FSC Code: 5331
MPN: DH1B21

5331-01-166-4016 (SS3817-30)

NIIN: 01-166-4016
In stock
NSN: 5331-01-166-4016
FSC Code: 5331
MPN: SS381730

5331-00-576-5321 (SS3805A26)

NIIN: 00-576-5321
In stock
NSN: 5331-00-576-5321
FSC Code: 5331
MPN: SS3805A26

5331-00-551-1905 (SS3815-7)

NIIN: 00-551-1905
In stock
NSN: 5331-00-551-1905
FSC Code: 5331
MPN: SS38157

5331-00-709-1476 (SS3817-14)

NIIN: 00-709-1476
In stock
NSN: 5331-00-709-1476
FSC Code: 5331
MPN: SS381714

5331-01-167-8630 (SS3817-23)

NIIN: 01-167-8630
In stock
NSN: 5331-01-167-8630
FSC Code: 5331
MPN: SS381723

5331-00-551-1899 (SS3815-6)

NIIN: 00-551-1899
In stock
NSN: 5331-00-551-1899
FSC Code: 5331
MPN: SS38156

5331-00-641-5237 (SS3817-12)

NIIN: 00-641-5237
In stock
NSN: 5331-00-641-5237
FSC Code: 5331
MPN: SS381712

5331-00-821-0182 (SS3816-4)

NIIN: 00-821-0182
In stock
NSN: 5331-00-821-0182
FSC Code: 5331
MPN: SS38164

5331-00-141-4050 (SS3805-12)

NIIN: 00-141-4050
In stock
NSN: 5331-00-141-4050
FSC Code: 5331
MPN: SS380512

5331-01-165-6916 (SS3801-5)

NIIN: 01-165-6916
In stock
NSN: 5331-01-165-6916
FSC Code: 5331
MPN: SS38015

5331-00-684-3243 (SS3805-30)

NIIN: 00-684-3243
In stock
NSN: 5331-00-684-3243
FSC Code: 5331
MPN: SS380530

5331-00-715-1790 (SS3805-27)

NIIN: 00-715-1790
In stock
NSN: 5331-00-715-1790
FSC Code: 5331
MPN: SS380527

5331-00-297-6894 (SS3801-1)

NIIN: 00-297-6894
In stock
NSN: 5331-00-297-6894
FSC Code: 5331
MPN: SS38011

5331-00-559-8566 (SS3805-32)

NIIN: 00-559-8566
In stock
NSN: 5331-00-559-8566
FSC Code: 5331
MPN: SS380532

5331-00-902-2209 (SS3805-18)

NIIN: 00-902-2209
In stock
NSN: 5331-00-902-2209
FSC Code: 5331
MPN: SS380518

5331-00-018-3458 (SS-203-1610384R)

NIIN: 00-018-3458
In stock
NSN: 5331-00-018-3458
FSC Code: 5331
MPN: SS2031610384R

5331-00-246-2411 (SRP119)

NIIN: 00-246-2411
In stock
NSN: 5331-00-246-2411
FSC Code: 5331
MPN: SRP119

5331-00-722-4207 (SRCAZ1002-5)

NIIN: 00-722-4207
In stock
NSN: 5331-00-722-4207
FSC Code: 5331
MPN: SRCAZ10025

5331-01-310-5774 (SRB620B9)

NIIN: 01-310-5774
In stock
NSN: 5331-01-310-5774
FSC Code: 5331
MPN: SRB620B9

5331-01-310-5773 (SR18-20B9)

NIIN: 01-310-5773
In stock
NSN: 5331-01-310-5773
FSC Code: 5331
MPN: SR1820B9

5331-01-310-5771 (SR11020B7)

NIIN: 01-310-5771
In stock
NSN: 5331-01-310-5771
FSC Code: 5331
MPN: SR11020B7

5331-01-280-7510 (SPK-12-6BE)

NIIN: 01-280-7510
In stock
NSN: 5331-01-280-7510
FSC Code: 5331
MPN: SPK126BE

5331-01-439-8956 (DDV983-2-65MM-PIECE)

NIIN: 01-439-8956
In stock
NSN: 5331-01-439-8956
FSC Code: 5331
MPN: DDV983265MMPIECE

5331-01-439-9273 (DDV983-7-65MM-PIECE)

NIIN: 01-439-9273
In stock
NSN: 5331-01-439-9273
FSC Code: 5331
MPN: DDV983765MMPIECE

5331-01-440-5217 (DDV982-4-80MM-PIECE)

NIIN: 01-440-5217
In stock
NSN: 5331-01-440-5217
FSC Code: 5331
MPN: DDV982480MMPIECE

5331-01-439-6406 (DDV982-1-300MM-PIECE)

NIIN: 01-439-6406
In stock
NSN: 5331-01-439-6406
FSC Code: 5331
MPN: DDV9821300MMPIECE

5331-01-439-9268 (DDV983-8-100MM-PIECE)

NIIN: 01-439-9268
In stock
NSN: 5331-01-439-9268
FSC Code: 5331
MPN: DDV9838100MMPIECE

5331-01-439-6409 (DDV982-1-300MM-PIECE)

NIIN: 01-439-6409
In stock
NSN: 5331-01-439-6409
FSC Code: 5331
MPN: DDV9821300MMPIECE

5331-01-439-1938 (DDV983-16-200MM-PC4)

NIIN: 01-439-1938
In stock
NSN: 5331-01-439-1938
FSC Code: 5331
MPN: DDV98316200MMPC4

5331-01-440-5215 (DDV982-3-65MM-PIECE)

NIIN: 01-440-5215
In stock
NSN: 5331-01-440-5215
FSC Code: 5331
MPN: DDV982365MMPIECE

5331-01-439-9270 (DDV983-5-80MM-PIECE)

NIIN: 01-439-9270
In stock
NSN: 5331-01-439-9270
FSC Code: 5331
MPN: DDV983580MMPIECE

5331-01-440-5218 (DDV982-5-100MM-PIECE)

NIIN: 01-440-5218
In stock
NSN: 5331-01-440-5218
FSC Code: 5331
MPN: DDV9825100MMPIECE

5331-01-440-5213 (DDV982-2-400MM-PIECE)

NIIN: 01-440-5213
In stock
NSN: 5331-01-440-5213
FSC Code: 5331
MPN: DDV9822400MMPIECE

5331-01-439-8423 (DDV983-1-65MM-PIECE)

NIIN: 01-439-8423
In stock
NSN: 5331-01-439-8423
FSC Code: 5331
MPN: DDV983165MMPIECE

5331-01-338-5557 (SPEC)

NIIN: 01-338-5557
In stock
NSN: 5331-01-338-5557
FSC Code: 5331
MPN: SPEC

5331-01-338-6651 (SPEC)

NIIN: 01-338-6651
In stock
NSN: 5331-01-338-6651
FSC Code: 5331
MPN: SPEC

5331-01-137-3793 (SPD70351-002-16)

NIIN: 01-137-3793
In stock
NSN: 5331-01-137-3793
FSC Code: 5331
MPN: SPD7035100216

5331-01-065-2574 (SP915B14)

NIIN: 01-065-2574
In stock
NSN: 5331-01-065-2574
FSC Code: 5331
MPN: SP915B14

5331-01-065-0632 (SP915B38)

NIIN: 01-065-0632
In stock
NSN: 5331-01-065-0632
FSC Code: 5331
MPN: SP915B38