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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 5331-00-524-8417 P/N A-A59588 · AS568B-908 · ARP568-908ZZR765CL2BGR70 · AS568B-908 · +1 more
  2. O-RING NSN 5331-00-524-0730 P/N MS29561-227 · MS29561-227 · J-10590 · SAE-AS29561 · +1 more
  3. O-RING NSN 5331-00-524-0718 P/N AS3578-338 · MS9021-338 · 2-338 N506-65 · SAE-AS3578 · +1 more
  4. O-RING NSN 5331-00-515-4276 P/N 9522835 · 9522835KT · 9522835 · 9522835 · +1 more
  5. O-RING NSN 5331-00-514-6133 P/N BACP11J234 · 150703-12TH1006 · BACP11J234 · 150703-12TH1006 · +1 more
  6. O-RING NSN 5331-00-514-6132 P/N S383-70-246 · BACP11J246 · S7E183-246 · S383-70-246 · +1 more
  7. O-RING NSN 5331-00-514-5863 P/N 251535 · 251535 · 3-4S418-7 · 5331PL0831638 · +1 more
  8. O-RING NSN 5331-00-514-5860 P/N 196449 · 196449 · 196449 · 196449 · +1 more
  9. O-RING NSN 5331-00-510-1616 P/N 8110-039 · 81139 · A81139REVB · 909-20 · +1 more
  10. O-RING NSN 5331-00-508-7325 P/N 2-34-47-071 · 2-34-47-071 · NM072-70 · NM071 A7362-034 · +1 more
  11. O-RING NSN 5331-00-508-1373 P/N IPD1H6227 · 8T4404 · A27507 · 2-242N951-75 · +1 more
  12. O-RING NSN 5331-00-505-3833 P/N 4010-33 · 2311-0108 · 4010-33 · 2311-0108 · +1 more
  13. O-RING NSN 5331-00-500-1781 P/N A52864 · 52840PC7 · A52864 · A52864 · +1 more
  14. O-RING NSN 5331-00-500-0860 P/N 691-00903-0 · 691-00903-0 · 3-3N552-90 · N0552 3-903 · +1 more
  15. O-RING NSN 5331-00-498-4556 P/N 4J-5351 · 10001708 · 2115N-9 · 2-115N709-90 · +1 more
  16. O-RING NSN 5331-00-494-7803 P/N 5140-534051-190 · 3-903-V747-75 · 3-903 V747-75 · 3-903 V747-75 · +1 more
  17. O-RING NSN 5331-00-494-2763 P/N 6J2419 · IPD6J2419 · 6J-2419 · 2-127N951-75 · +1 more
  18. O-RING NSN 5331-00-493-3842 P/N 14227 · 14227 · 14227 · AS568-010/M5BG710A14B14E014 · +1 more
  19. O-RING NSN 5331-00-491-7674 P/N HJE03347 · 2-124-E540-80 · 2-124E540-80 · 707524-124 · +1 more
  20. O-RING NSN 5331-00-491-5492 P/N 1Z42474B14 · X2987364PC92 · W07310 · X2987364PC92 · +1 more
  21. O-RING NSN 5331-00-490-5028 P/N 376-111-0036 · 036-11306 · 376-111-0036 · 2-036S613-6 · +1 more
  22. O-RING NSN 5331-00-482-4459 P/N 2AB5 · 2AB5 · 7-57-010 · 7-57-010 · +1 more
  23. O-RING NSN 5331-00-482-1399 P/N 132-7399 · A132SR8103-90 · 4400191-1320 · 2-132N507-9 · +1 more
  24. O-RING NSN 5331-00-481-6549 P/N MS9386-252 · MS9386-252 · 213185 · SAE-AS9386 · +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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