Skip to content

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.

5331-01-099-0478 (95831155)

NIIN: 01-099-0478
In stock
NSN: 5331-01-099-0478
FSC Code: 5331
MPN: 95831155

5331-01-097-7787 (95831137)

NIIN: 01-097-7787
In stock
NSN: 5331-01-097-7787
FSC Code: 5331
MPN: 95831137

5331-01-113-9052 (97140159)

NIIN: 01-113-9052
In stock
NSN: 5331-01-113-9052
FSC Code: 5331
MPN: 97140159

5331-01-113-9051 (97140215)

NIIN: 01-113-9051
In stock
NSN: 5331-01-113-9051
FSC Code: 5331
MPN: 97140215

5331-01-113-9050 (97180210)

NIIN: 01-113-9050
In stock
NSN: 5331-01-113-9050
FSC Code: 5331
MPN: 97180210

5331-00-144-8220 (100061574)

NIIN: 00-144-8220
In stock
NSN: 5331-00-144-8220
FSC Code: 5331
MPN: 100061574

5331-01-272-3256 (100108980)

NIIN: 01-272-3256
In stock
NSN: 5331-01-272-3256
FSC Code: 5331
MPN: 100108980

5331-00-914-7514 (100400908)

NIIN: 00-914-7514
In stock
NSN: 5331-00-914-7514
FSC Code: 5331
MPN: 100400908

5331-00-541-2632 (101450236)

NIIN: 00-541-2632
In stock
NSN: 5331-00-541-2632
FSC Code: 5331
MPN: 101450236

5331-01-186-7540 (102006113)

NIIN: 01-186-7540
In stock
NSN: 5331-01-186-7540
FSC Code: 5331
MPN: 102006113

5331-01-019-2448 (102602313)

NIIN: 01-019-2448
In stock
NSN: 5331-01-019-2448
FSC Code: 5331
MPN: 102602313

5331-00-853-4276 (104030700)

NIIN: 00-853-4276
In stock
NSN: 5331-00-853-4276
FSC Code: 5331
MPN: 104030700

5331-01-207-2779 (105057610)

NIIN: 01-207-2779
In stock
NSN: 5331-01-207-2779
FSC Code: 5331
MPN: 105057610

5331-01-184-7615 (105057623)

NIIN: 01-184-7615
In stock
NSN: 5331-01-184-7615
FSC Code: 5331
MPN: 105057623

5331-01-014-2605 (105057617)

NIIN: 01-014-2605
In stock
NSN: 5331-01-014-2605
FSC Code: 5331
MPN: 105057617

5331-01-196-2467 (105057624)

NIIN: 01-196-2467
In stock
NSN: 5331-01-196-2467
FSC Code: 5331
MPN: 105057624

5331-01-035-1796 (105057611)

NIIN: 01-035-1796
In stock
NSN: 5331-01-035-1796
FSC Code: 5331
MPN: 105057611

5331-01-203-9375 (112151001)

NIIN: 01-203-9375
In stock
NSN: 5331-01-203-9375
FSC Code: 5331
MPN: 112151001

5331-01-208-1322 (112152002)

NIIN: 01-208-1322
In stock
NSN: 5331-01-208-1322
FSC Code: 5331
MPN: 112152002

5331-01-241-5097 (115651010)

NIIN: 01-241-5097
In stock
NSN: 5331-01-241-5097
FSC Code: 5331
MPN: 115651010

5331-01-030-4929 (115651010)

NIIN: 01-030-4929
In stock
NSN: 5331-01-030-4929
FSC Code: 5331
MPN: 115651010

5331-01-204-2183 (115651004)

NIIN: 01-204-2183
In stock
NSN: 5331-01-204-2183
FSC Code: 5331
MPN: 115651004

5331-01-048-6613 (115651010)

NIIN: 01-048-6613
In stock
NSN: 5331-01-048-6613
FSC Code: 5331
MPN: 115651010

5331-01-200-1954 (115651001)

NIIN: 01-200-1954
In stock
NSN: 5331-01-200-1954
FSC Code: 5331
MPN: 115651001

5331-01-126-3472 (115652102)

NIIN: 01-126-3472
In stock
NSN: 5331-01-126-3472
FSC Code: 5331
MPN: 115652102

5331-01-338-7343 (115651024)

NIIN: 01-338-7343
In stock
NSN: 5331-01-338-7343
FSC Code: 5331
MPN: 115651024

5331-01-126-3473 (115652102)

NIIN: 01-126-3473
In stock
NSN: 5331-01-126-3473
FSC Code: 5331
MPN: 115652102

5331-01-130-0479 (115654068)

NIIN: 01-130-0479
In stock
NSN: 5331-01-130-0479
FSC Code: 5331
MPN: 115654068

5331-01-200-1955 (115651001)

NIIN: 01-200-1955
In stock
NSN: 5331-01-200-1955
FSC Code: 5331
MPN: 115651001

5331-01-200-7821 (115651016)

NIIN: 01-200-7821
In stock
NSN: 5331-01-200-7821
FSC Code: 5331
MPN: 115651016

5331-01-126-3474 (115652102)

NIIN: 01-126-3474
In stock
NSN: 5331-01-126-3474
FSC Code: 5331
MPN: 115652102

5331-01-201-2040 (115652113)

NIIN: 01-201-2040
In stock
NSN: 5331-01-201-2040
FSC Code: 5331
MPN: 115652113

5331-01-126-4553 (115652102)

NIIN: 01-126-4553
In stock
NSN: 5331-01-126-4553
FSC Code: 5331
MPN: 115652102

5331-01-030-1820 (115651010)

NIIN: 01-030-1820
In stock
NSN: 5331-01-030-1820
FSC Code: 5331
MPN: 115651010

5331-01-004-6991 (115652001)

NIIN: 01-004-6991
In stock
NSN: 5331-01-004-6991
FSC Code: 5331
MPN: 115652001

5331-01-224-2327 (115657143)

NIIN: 01-224-2327
In stock
NSN: 5331-01-224-2327
FSC Code: 5331
MPN: 115657143

5331-00-469-4007 (115657119)

NIIN: 00-469-4007
In stock
NSN: 5331-00-469-4007
FSC Code: 5331
MPN: 115657119

5331-01-004-5039 (115657001)

NIIN: 01-004-5039
In stock
NSN: 5331-01-004-5039
FSC Code: 5331
MPN: 115657001

5331-00-414-0154 (116937023)

NIIN: 00-414-0154
In stock
NSN: 5331-00-414-0154
FSC Code: 5331
MPN: 116937023

5331-01-304-9271 (120893700)

NIIN: 01-304-9271
In stock
NSN: 5331-01-304-9271
FSC Code: 5331
MPN: 120893700

5331-01-292-6342 (120879300)

NIIN: 01-292-6342
In stock
NSN: 5331-01-292-6342
FSC Code: 5331
MPN: 120879300

5331-00-559-6184 (127604184)

NIIN: 00-559-6184
In stock
NSN: 5331-00-559-6184
FSC Code: 5331
MPN: 127604184

5331-01-287-4819 (127606636)

NIIN: 01-287-4819
In stock
NSN: 5331-01-287-4819
FSC Code: 5331
MPN: 127606636

5331-00-584-9555 (127619188)

NIIN: 00-584-9555
In stock
NSN: 5331-00-584-9555
FSC Code: 5331
MPN: 127619188

5331-01-214-7709 (131101004)

NIIN: 01-214-7709
In stock
NSN: 5331-01-214-7709
FSC Code: 5331
MPN: 131101004

5331-01-214-7707 (131101007)

NIIN: 01-214-7707
In stock
NSN: 5331-01-214-7707
FSC Code: 5331
MPN: 131101007

5331-01-214-7704 (131102008)

NIIN: 01-214-7704
In stock
NSN: 5331-01-214-7704
FSC Code: 5331
MPN: 131102008

5331-01-214-7710 (131103010)

NIIN: 01-214-7710
In stock
NSN: 5331-01-214-7710
FSC Code: 5331
MPN: 131103010