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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.

5331-01-203-5316 (G267718-1)

NIIN: 01-203-5316
In stock
NSN: 5331-01-203-5316
FSC Code: 5331
MPN: G2677181

5331-01-323-5456 (G267714)

NIIN: 01-323-5456
In stock
NSN: 5331-01-323-5456
FSC Code: 5331
MPN: G267714

5331-01-532-2755 (742C9FT-161-P17)

NIIN: 01-532-2755
In stock
NSN: 5331-01-532-2755
FSC Code: 5331

5331-01-484-0138 (74294N1)

NIIN: 01-484-0138
In stock
NSN: 5331-01-484-0138
FSC Code: 5331
MPN: 74294N1

5331-00-599-0904 (G26-140)

NIIN: 00-599-0904
In stock
NSN: 5331-00-599-0904
FSC Code: 5331
MPN: G26140

5331-99-606-5389 (742-606-5389)

NIIN: 99-606-5389
In stock
NSN: 5331-99-606-5389
FSC Code: 5331
MPN: 7426065389

5331-01-529-8184 (G547-0004-74225-37D4)

NIIN: 01-529-8184
In stock
NSN: 5331-01-529-8184
FSC Code: 5331

5331-01-529-8187 (900S6202-74225PC38D4)

NIIN: 01-529-8187
In stock
NSN: 5331-01-529-8187
FSC Code: 5331

5331-01-100-6999 (G-2300-101)

NIIN: 01-100-6999
In stock
NSN: 5331-01-100-6999
FSC Code: 5331
MPN: G2300101

5331-20-002-8001 (741371-3-ITEM)

NIIN: 20-002-8001
In stock
NSN: 5331-20-002-8001
FSC Code: 5331

5331-20-002-8756 (741372-3)

NIIN: 20-002-8756
In stock
NSN: 5331-20-002-8756
FSC Code: 5331
MPN: 7413723

5331-01-449-9362 (NB398240-74)

NIIN: 01-449-9362
In stock
NSN: 5331-01-449-9362
FSC Code: 5331
MPN: NB39824074

5331-01-247-7524 (G-217-B)

NIIN: 01-247-7524
In stock
NSN: 5331-01-247-7524
FSC Code: 5331
MPN: G217B

5331-01-215-5125 (G214A)

NIIN: 01-215-5125
In stock
NSN: 5331-01-215-5125
FSC Code: 5331
MPN: G214A

5331-01-284-4675 (G-2.0-692F-DA-B1-0)

NIIN: 01-284-4675
In stock
NSN: 5331-01-284-4675
FSC Code: 5331

5331-01-282-7431 (G-2.0-692F-DB-B1-0)

NIIN: 01-282-7431
In stock
NSN: 5331-01-282-7431
FSC Code: 5331

5331-01-266-8476 (G-2.0-692F-B-0)

NIIN: 01-266-8476
In stock
NSN: 5331-01-266-8476
FSC Code: 5331
MPN: G20692FB0

5331-01-523-4707 (7404831-05)

NIIN: 01-523-4707
In stock
NSN: 5331-01-523-4707
FSC Code: 5331
MPN: 740483105

5331-01-271-8291 (G14671)

NIIN: 01-271-8291
In stock
NSN: 5331-01-271-8291
FSC Code: 5331
MPN: G14671

5331-01-286-0794 (G14-465)

NIIN: 01-286-0794
In stock
NSN: 5331-01-286-0794
FSC Code: 5331
MPN: G14465

5331-01-500-3762 (LL-H46-2116)

NIIN: 01-500-3762
In stock
NSN: 5331-01-500-3762
FSC Code: 5331
MPN: LLH462116

5331-01-540-3909 (738-7569-13)

NIIN: 01-540-3909
In stock
NSN: 5331-01-540-3909
FSC Code: 5331
MPN: 738756913

5331-01-540-3910 (738-7569-14)

NIIN: 01-540-3910
In stock
NSN: 5331-01-540-3910
FSC Code: 5331
MPN: 738756914

5331-01-528-4040 (G547-3302-38)

NIIN: 01-528-4040
In stock
NSN: 5331-01-528-4040
FSC Code: 5331
MPN: G547330238

5331-01-551-8711 (G547-0002-V3D10431-35CP)

NIIN: 01-551-8711
In stock
NSN: 5331-01-551-8711
FSC Code: 5331

5331-01-419-4427 (738.07.089.01)

NIIN: 01-419-4427
In stock
NSN: 5331-01-419-4427
FSC Code: 5331
MPN: 7380708901

5331-01-525-7149 (738.07.102.01)

NIIN: 01-525-7149
In stock
NSN: 5331-01-525-7149
FSC Code: 5331
MPN: 7380710201

5331-01-355-6728 (737932-3)

NIIN: 01-355-6728
In stock
NSN: 5331-01-355-6728
FSC Code: 5331
MPN: 7379323

5331-01-244-8956 (G1-1074-27)

NIIN: 01-244-8956
In stock
NSN: 5331-01-244-8956
FSC Code: 5331
MPN: G1107427

5331-01-207-1510 (G1-1010-18)

NIIN: 01-207-1510
In stock
NSN: 5331-01-207-1510
FSC Code: 5331
MPN: G1101018

5331-01-120-8083 (G-1093-1)

NIIN: 01-120-8083
In stock
NSN: 5331-01-120-8083
FSC Code: 5331
MPN: G10931

5331-01-120-8087 (G-1093-13)

NIIN: 01-120-8087
In stock
NSN: 5331-01-120-8087
FSC Code: 5331
MPN: G109313

5331-01-120-8085 (G-1093-7)

NIIN: 01-120-8085
In stock
NSN: 5331-01-120-8085
FSC Code: 5331
MPN: G10937

5331-01-180-2412 (G104841-3)

NIIN: 01-180-2412
In stock
NSN: 5331-01-180-2412
FSC Code: 5331
MPN: G1048413

5331-01-187-4690 (G104841-2)

NIIN: 01-187-4690
In stock
NSN: 5331-01-187-4690
FSC Code: 5331
MPN: G1048412

5331-01-314-9923 (G103223)

NIIN: 01-314-9923
In stock
NSN: 5331-01-314-9923
FSC Code: 5331
MPN: G103223

5331-01-272-6457 (G100714)

NIIN: 01-272-6457
In stock
NSN: 5331-01-272-6457
FSC Code: 5331
MPN: G100714

5331-01-275-0233 (G100713)

NIIN: 01-275-0233
In stock
NSN: 5331-01-275-0233
FSC Code: 5331
MPN: G100713

5331-01-266-8477 (G-1.5-692F-B-0)

NIIN: 01-266-8477
In stock
NSN: 5331-01-266-8477
FSC Code: 5331
MPN: G15692FB0

5331-01-263-1081 (G-1.5-692F-Y-0)

NIIN: 01-263-1081
In stock
NSN: 5331-01-263-1081
FSC Code: 5331
MPN: G15692FY0

5331-01-480-9509 (7354772-6)

NIIN: 01-480-9509
In stock
NSN: 5331-01-480-9509
FSC Code: 5331
MPN: 73547726

5331-01-480-9510 (7354772-8)

NIIN: 01-480-9510
In stock
NSN: 5331-01-480-9510
FSC Code: 5331
MPN: 73547728

5331-01-245-4091 (G-0898A)

NIIN: 01-245-4091
In stock
NSN: 5331-01-245-4091
FSC Code: 5331
MPN: G0898A

5331-01-123-2365 (G037)

NIIN: 01-123-2365
In stock
NSN: 5331-01-123-2365
FSC Code: 5331
MPN: G037

5331-01-236-9187 (G-0316)

NIIN: 01-236-9187
In stock
NSN: 5331-01-236-9187
FSC Code: 5331
MPN: G0316