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Home/Military Standard parts/Seals & Fittings/FSC 5331
Category // FSC 5331 · 53,078 items

O-Ring

Round-section sealing rings used in grooves to seal fluid and gas connections; every item filed here is an O-ring.

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53,078 items

  1. O-RING NSN 5331-00-112-1364 P/N AS568-437 · MS29561-331 · AMS-R-7362 · 5331PL1335107 · +1 more
  2. O-RING NSN 5331-00-111-7811 P/N AMS7267 · AS568-282 · S8990-282 · AS568-282 · +1 more
  3. O-RING NSN 5331-00-111-7384 P/N 4400483-2271 · 000223ED · 2-227E540-8 · 2-227E810-80 · +1 more
  4. O-RING NSN 5331-00-111-3756 P/N 437-3501 · 259 · 2-259N398-7 · 2-259N103-70 · +1 more
  5. O-RING NSN 5331-00-108-9989 P/N AS3582-250 · 418048-250 · MS9068-250 · AS3582-250 · +1 more
  6. O-RING NSN 5331-00-107-6223 P/N AS568-025 · AMS-P-5516 · ARP568-025MILP5516CLASSA · AS568-025 · +1 more
  7. O-RING NSN 5331-00-106-2907 P/N 22-525-90 · 022525-005-90 · HV22-525-5-90 · GV22-525-5-90D · +1 more
  8. O-RING NSN 5331-00-105-3151 P/N L844PCS18 · 568252 · 568252 · 568252 · +1 more
  9. O-RING NSN 5331-00-104-9637 P/N 6864653 · KB16207 · RU52518SN · KB16207 · +1 more
  10. O-RING NSN 5331-00-104-7960 P/N 6864643 · 99-101-6163 · 99-101-6163 · KB16204 · +1 more
  11. O-RING NSN 5331-00-104-7629 P/N 2-028L308-8 · 1354-093 · 2-028 L1007-80 · 2-028L1007-80 · +1 more
  12. O-RING NSN 5331-00-103-9790 P/N AS568-118 IDSA9250 · ARP568-118IDSA9250 · 4400891-1180 · J200AW118 · +1 more
  13. O-RING NSN 5331-00-103-2911 P/N AS3581-220 · ARP568-220MILG23652TYPE2 · AC180-220 · AS3581-220 · +1 more
  14. O-RING NSN 5331-00-103-1786 P/N AS3209-156 · 5331PL2204081 · ST3001-156 · SAE-AMS7276 · +1 more
  15. O-RING NSN 5331-00-100-4717 P/N 803-4384536-8XX2-30 · 810-4384536-84B30 · 810-4384536-82B30 · 803-1385714-8-05 · +1 more
  16. O-RING NSN 5331-00-095-1157 P/N CRD13286 · PB53677-1 · 1600813 · 1600813-1 · +1 more
  17. O-RING NSN 5331-00-094-6968 P/N 3-908 V747-75 · 3-908 77-545 · 3-908 V747-75 · V0747 3-908 · +1 more
  18. O-RING NSN 5331-00-090-3882 P/N ARP568-906ZZR765CL2BGR50 · 4410951-9060 · ARP568-906MILR5 847 · J201R6 · +1 more
  19. O-RING NSN 5331-00-090-2293 P/N 589498-4 · 92134 · 589498-4 · 92134-01 · +1 more
  20. O-RING NSN 5331-00-082-5147 P/N 9021421 · 9021421 · 3A2915 · 032200-24 · +1 more
  21. O-RING NSN 5331-00-082-1110 P/N N-082 · CW686N · CW686N · A-11443 · +1 more
  22. O-RING NSN 5331-00-080-3945 P/N 2-029E529-6 · A29SR625-65 · AS568-029M1LG22 050 · 2-029E529-6 · +1 more
  23. O-RING NSN 5331-00-080-0708 P/N AS3578-273 · MS9021-273 · MS9021-273ES · AS3578-273 · +1 more
  24. O-RING NSN 5331-00-080-0213 P/N 0923814 · 923814 · 510185 · 0923814-8 · +1 more

Ranked by how many manufacturer cross-references are on file. Every item is quote-only — the federal record carries no price and no stock, and Atlas publishes neither. Browsing stops at page 500 of this class — past that, search by number. Send a whole list →

Questions about O-Ring

What does federal supply class 5331 cover?

Federal supply class 5331 covers O-rings, the round-section sealing rings used in grooves to seal fluid and gas connections. Every item filed here is an O-ring.

How is a part in federal supply class 5331 identified?

Because every item in the class has the same item name, the NSN is what tells one O-ring from another. Each NSN record carries the characteristics on file for that exact ring and the part numbers cross-referenced to it, so a buyer can work from an MS or AS number, a manufacturer number, or a drawing callout. Each item in the class has its own National Stock Number (NSN) record, listed above.

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