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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 5331-00-610-5699 P/N 7000P12170 PIECE 57 · 92074140 · 0092074140 · 0561C0031-7 · +12 more
  2. O-RING NSN 5331-00-599-0978 P/N 7866-447 · 60-P-31-447 · PX1775-447 · 10V60-141-447 · +12 more
  3. O-RING NSN 5331-00-599-0973 P/N 7866-451 · PX1775-451 · 10V60-141-451 · 457-60-451 · +12 more
  4. O-RING NSN 5331-00-584-1230 P/N 903236C1 · 34665-124 · 34665-124 · 903236C1 · +12 more
  5. O-RING NSN 5331-00-582-7475 P/N 182505 · 69890-106 · 248387 · 5331PL2076073 · +12 more
  6. O-RING NSN 5331-00-582-1561 P/N 164444-429 · PRP568-429-4067-70 · J-3E48837 PIECE 48 · AN6227-56 · +12 more
  7. O-RING NSN 5331-00-579-9675 P/N 7377-441 · P48026-441 · 4067-70-441 · PRP568-441-4067-70 · +12 more
  8. O-RING NSN 5331-00-576-9729 P/N 7377-347 · P48026-347 · PRP568-347-4067-70 · 4067-0-347 · +12 more
  9. O-RING NSN 5331-00-551-9574 P/N 182480 · 34665-14 · 182480 · 69483A070G489 · +12 more
  10. O-RING NSN 5331-00-551-8251 P/N PRP568-028-4024-65 · AS3578-028 · 5331PL0657027 · MS9021-028 · +12 more
  11. O-RING NSN 5331-00-549-3628 P/N 649-393-167-0 · NAS1593-167 · AS3209-167 · M83248/1-167 · +12 more
  12. O-RING NSN 5331-00-531-2230 P/N AS3578-218 · 317S23 · 287-1166P105 · 317S23 · +12 more
  13. O-RING NSN 5331-00-493-8164 P/N 2507294-32 · P2/PPPP/400 ITEM 3 · 01-2395-52 · 2-126N674-70 · +12 more
  14. O-RING NSN 5331-00-480-2198 P/N 7866-463 · PX1775-463 · 10V60-141-463 · RT253-65-463 · +12 more
  15. O-RING NSN 5331-00-469-8290 P/N 905-7377 · 902-10V70-332 · 5331PL1279374 · 11625-21 · +12 more
  16. O-RING NSN 5331-00-469-4007 P/N 120R1 CLASS 1 SIZE 279 AMS 3215 · D2000 GR M3CH714A25B14EO16E · AS568-279 · 2-279 N674-70 · +12 more
  17. O-RING NSN 5331-00-400-7397 P/N 027-8307 · 5793294 FIND 085 · T22827 · PRP568-027-4200-7 · +12 more
  18. O-RING NSN 5331-00-323-1854 P/N 7866-354 · 60-P-31-354 · PX1775-354 · 10V60-141-354 · +12 more
  19. O-RING NSN 5331-00-311-9108 P/N 3CF2728 · 15526P11 · 85993 · 47991 · +12 more
  20. O-RING NSN 5331-00-297-9791 P/N 7866-436 · 60-P-31-436 · PX1775-436 · 10V0-141-436 · +12 more
  21. O-RING NSN 5331-00-297-6516 P/N S8057A13 · S8057A13 · S8057AH13 · S8057A13 · +12 more
  22. O-RING NSN 5331-00-292-0789 P/N 7866-453 · 60-P-31-453 · PX1775-453 · 10V0-141-453 · +12 more
  23. O-RING NSN 5331-00-291-3307 P/N PRP902-20 · 0R4-20 · V4805-6 · C70-0020 · +12 more
  24. O-RING NSN 5331-00-279-9322 P/N 3-908-11647 · 3-908-11647 · GS570J3J8 · 908-11647 · +12 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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