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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 5331-00-071-2204 P/N MS9068-011 · AS3582-011 · AS3582-011 · 2-11S604-7 · +21 more
  2. O-RING NSN 5331-01-319-3004 P/N 1000-0060-210 · 2870-0001-41 ITEM 11 · M83248-1-210 · NAS1593-210 · +20 more
  3. O-RING NSN 5331-01-133-9790 P/N D41P60-11607-004 ITEM 3 · D41P60-11607-004 ITEM 3 · M3776-2569 PC NO 14 · ARP-114V · +20 more
  4. O-RING NSN 5331-01-107-9249 P/N M83461/1-24 · M83461/1-024 · 876433-00 · M83461/1-024 · +20 more
  5. O-RING NSN 5331-01-099-2556 P/N AS3581-008CP · AS3581-008 OXYGEN CLEAN · M83248-2-008 · 5331PL1260220 · +20 more
  6. O-RING NSN 5331-01-011-4057 P/N 39890374 · 238290-903 · SF10970-061 · 3799812 FIND 5 · +20 more
  7. O-RING NSN 5331-01-010-3371 P/N AS3209-140 · AS3085-140 · M83248/1-140 · MIL-R-83248/1 · +20 more
  8. O-RING NSN 5331-01-005-3201 P/N DD-4690 REF NO. 14 · DD-4698 REF NO 14 · DD-4833 REF NO 14 · 845-7108907 ITEM 25 · +20 more
  9. O-RING NSN 5331-00-935-9226 P/N 7866-151 · 60-P-31-151 · PX-1775-151 · 10V60-141-151 · +20 more
  10. O-RING NSN 5331-00-913-2663 P/N PRP902-7-829-70 · B16548-012 · 206849 · S8057BF7 · +20 more
  11. O-RING NSN 5331-00-875-8288 P/N MS29513-153 · 7866-153 · 60-P-31-153 · 05-MS29513-153 · +20 more
  12. O-RING NSN 5331-01-389-9188 P/N M83461/2-904 · AMS-P-83461 · AS83461/2 · M83461/2-904 · +20 more
  13. O-RING NSN 5331-01-075-2185 P/N 16-313 · EAOCD-822NF-3WITEM12 · 10-1850-500 ITEM 33 · 845-2181251PIECE12 · +20 more
  14. O-RING NSN 5331-01-046-0628 P/N CVC4225-015 · M83461/1-015 · AMS-P-83461/1 · MIL-M-83461/1-015 · +20 more
  15. O-RING NSN 5331-00-702-4712 P/N AS29561-112 · PRP902-10-142-70 · S8057V10 · S8057V10 · +20 more
  16. O-RING NSN 5331-00-631-1346 P/N 7377-005 · P48926-005 · PRP568-005-4067-70 · 4067-70-005 · +20 more
  17. O-RING NSN 5331-00-618-3447 P/N AS3578-008 · 317S3 · 67G190-3 · 69890-3 / AS3578-008 · +20 more
  18. O-RING NSN 5331-00-599-3071 P/N 7866-251 · 60-P-31-251 · 10V60-141-251 · PX1775-251 · +20 more
  19. O-RING NSN 5331-00-599-2255 P/N 7866-257 · GS570EM257 · 60-P-31-257 · PX1775-257 · +20 more
  20. O-RING NSN 5331-00-585-0796 P/N 7377-452 · P48026-452 · 1820-79 · 4067-70-452 · +20 more
  21. O-RING NSN 5331-00-580-3846 P/N 7377-325 · MS28775-325 · 29KP388 · P48026-325 · +20 more
  22. O-RING NSN 5331-00-559-6514 P/N PRP006-11647 · 11647-6 · 006-11647 · 287-6008 REV AF · +20 more
  23. O-RING NSN 5331-00-556-8268 P/N RDE-23-316-E/03.97 ITEM 105 · 008938 · 402118 · G104841-1 · +20 more
  24. O-RING NSN 5331-00-526-7517 P/N GS570EM249 · 7866-249 · 60-P-31-249 · PX1775-249 · +20 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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