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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.

5331-01-070-4836 (AMS)

NIIN: 01-070-4836
In stock
NSN: 5331-01-070-4836
FSC Code: 5331
MPN: AMS

5331-01-006-2111 (AMS)

NIIN: 01-006-2111
In stock
NSN: 5331-01-006-2111
FSC Code: 5331
MPN: AMS

5331-01-226-0688 (AMS)

NIIN: 01-226-0688
In stock
NSN: 5331-01-226-0688
FSC Code: 5331
MPN: AMS

5331-00-393-3876 (AMS)

NIIN: 00-393-3876
In stock
NSN: 5331-00-393-3876
FSC Code: 5331
MPN: AMS

5331-01-278-7724 (AMS)

NIIN: 01-278-7724
In stock
NSN: 5331-01-278-7724
FSC Code: 5331
MPN: AMS

5331-00-931-3014 (AMS)

NIIN: 00-931-3014
In stock
NSN: 5331-00-931-3014
FSC Code: 5331
MPN: AMS

5331-01-242-9232 (AMPSCPE080-PTCP-9)

NIIN: 01-242-9232
In stock
NSN: 5331-01-242-9232
FSC Code: 5331
MPN: AMPSCPE080PTCP9

5331-01-006-2119 (AMS)

NIIN: 01-006-2119
In stock
NSN: 5331-01-006-2119
FSC Code: 5331
MPN: AMS

5331-01-270-6188 (AMS)

NIIN: 01-270-6188
In stock
NSN: 5331-01-270-6188
FSC Code: 5331
MPN: AMS

5331-01-242-9234 (AMPSCPE080-PTCP-11)

NIIN: 01-242-9234
In stock
NSN: 5331-01-242-9234
FSC Code: 5331
MPN: AMPSCPE080PTCP11

5331-01-322-1149 (AMC-R-83485)

NIIN: 01-322-1149
In stock
NSN: 5331-01-322-1149
FSC Code: 5331
MPN: AMCR83485

5331-01-303-3848 (AM-1267)

NIIN: 01-303-3848
In stock
NSN: 5331-01-303-3848
FSC Code: 5331
MPN: AM1267

5331-01-254-2402 (AM-1152-P407)

NIIN: 01-254-2402
In stock
NSN: 5331-01-254-2402
FSC Code: 5331
MPN: AM1152P407

5331-01-207-2772 (A-LF-1744)

NIIN: 01-207-2772
In stock
NSN: 5331-01-207-2772
FSC Code: 5331
MPN: ALF1744

5331-01-356-6064 (595-N8-5-05034-00)

NIIN: 01-356-6064
In stock
NSN: 5331-01-356-6064
FSC Code: 5331
MPN: 595N850503400

5331-12-339-2573 (MAN356-5X1)

NIIN: 12-339-2573
In stock
NSN: 5331-12-339-2573
FSC Code: 5331
MPN: MAN3565X1

5331-00-220-2117 (AL12812A)

NIIN: 00-220-2117
In stock
NSN: 5331-00-220-2117
FSC Code: 5331
MPN: AL12812A

5331-01-434-4847 (59554-0)

NIIN: 01-434-4847
In stock
NSN: 5331-01-434-4847
FSC Code: 5331
MPN: 595540

5331-14-554-3126 (5950040.80D-20)

NIIN: 14-554-3126
In stock
NSN: 5331-14-554-3126
FSC Code: 5331
MPN: 595004080D20

5331-14-554-3125 (5950040.80D-18)

NIIN: 14-554-3125
In stock
NSN: 5331-14-554-3125
FSC Code: 5331
MPN: 595004080D18

5331-01-276-8446 (AJ100312)

NIIN: 01-276-8446
In stock
NSN: 5331-01-276-8446
FSC Code: 5331
MPN: AJ100312

5331-01-451-2172 (593-6960300)

NIIN: 01-451-2172
In stock
NSN: 5331-01-451-2172
FSC Code: 5331
MPN: 5936960300

5331-01-207-1491 (AH-2025-MZ)

NIIN: 01-207-1491
In stock
NSN: 5331-01-207-1491
FSC Code: 5331
MPN: AH2025MZ

5331-01-431-0394 (592-6940641-101)

NIIN: 01-431-0394
In stock
NSN: 5331-01-431-0394
FSC Code: 5331
MPN: 5926940641101

5331-01-298-4157 (AG7135-E0)

NIIN: 01-298-4157
In stock
NSN: 5331-01-298-4157
FSC Code: 5331
MPN: AG7135E0

5331-01-207-2776 (AG063VN003)

NIIN: 01-207-2776
In stock
NSN: 5331-01-207-2776
FSC Code: 5331
MPN: AG063VN003

5331-01-451-2354 (59-13-41.1)

NIIN: 01-451-2354
In stock
NSN: 5331-01-451-2354
FSC Code: 5331
MPN: 5913411

5331-01-467-6822 (5-912N674-70)

NIIN: 01-467-6822
In stock
NSN: 5331-01-467-6822
FSC Code: 5331
MPN: 5912N67470

5331-00-171-7186 (AF934-3)

NIIN: 00-171-7186
In stock
NSN: 5331-00-171-7186
FSC Code: 5331
MPN: AF9343

5331-00-681-9557 (AF934-21)

NIIN: 00-681-9557
In stock
NSN: 5331-00-681-9557
FSC Code: 5331
MPN: AF93421

5331-00-826-6550 (AF47A1562)

NIIN: 00-826-6550
In stock
NSN: 5331-00-826-6550
FSC Code: 5331
MPN: AF47A1562

5331-01-542-0664 (5-910)

NIIN: 01-542-0664
In stock
NSN: 5331-01-542-0664
FSC Code: 5331
MPN: 5910

5331-01-298-4724 (AF-18)

NIIN: 01-298-4724
In stock
NSN: 5331-01-298-4724
FSC Code: 5331
MPN: AF18

5331-01-204-0107 (AF13-3)

NIIN: 01-204-0107
In stock
NSN: 5331-01-204-0107
FSC Code: 5331
MPN: AF133

5331-01-170-3072 (AF120-289)

NIIN: 01-170-3072
In stock
NSN: 5331-01-170-3072
FSC Code: 5331
MPN: AF120289

5331-01-238-8309 (AF0654-E0)

NIIN: 01-238-8309
In stock
NSN: 5331-01-238-8309
FSC Code: 5331
MPN: AF0654E0

5331-01-487-4630 (5903819-6)

NIIN: 01-487-4630
In stock
NSN: 5331-01-487-4630
FSC Code: 5331
MPN: 59038196

5331-00-580-9398 (AEA4025D)

NIIN: 00-580-9398
In stock
NSN: 5331-00-580-9398
FSC Code: 5331
MPN: AEA4025D

5331-01-451-0969 (58X2NBR70)

NIIN: 01-451-0969
In stock
NSN: 5331-01-451-0969
FSC Code: 5331
MPN: 58X2NBR70

5331-01-423-2386 (58K021)

NIIN: 01-423-2386
In stock
NSN: 5331-01-423-2386
FSC Code: 5331
MPN: 58K021

5331-01-412-9853 (58K012)

NIIN: 01-412-9853
In stock
NSN: 5331-01-412-9853
FSC Code: 5331
MPN: 58K012

5331-01-469-8154 (58K000124B)

NIIN: 01-469-8154
In stock
NSN: 5331-01-469-8154
FSC Code: 5331
MPN: 58K000124B

5331-01-412-8724 (58K014)

NIIN: 01-412-8724
In stock
NSN: 5331-01-412-8724
FSC Code: 5331
MPN: 58K014

5331-01-415-9000 (58K219)

NIIN: 01-415-9000
In stock
NSN: 5331-01-415-9000
FSC Code: 5331
MPN: 58K219

5331-01-330-9601 (AE26653-001)

NIIN: 01-330-9601
In stock
NSN: 5331-01-330-9601
FSC Code: 5331
MPN: AE26653001

5331-00-845-8342 (AE25C85)

NIIN: 00-845-8342
In stock
NSN: 5331-00-845-8342
FSC Code: 5331
MPN: AE25C85

5331-01-526-7226 (M-1140-154ITEM21)

NIIN: 01-526-7226
In stock
NSN: 5331-01-526-7226
FSC Code: 5331
MPN: M1140154ITEM21

5331-01-526-7224 (M-1140-154ITEM20)

NIIN: 01-526-7224
In stock
NSN: 5331-01-526-7224
FSC Code: 5331
MPN: M1140154ITEM20