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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 5331-00-274-7484 P/N PRP568-460-4067-70 · MS28775-460 · MS28775-460 · MS28775-460 · +3 more
  2. O-RING NSN 5331-00-263-9447 P/N 7090-265 · AS568B-233 · 2-233 · AS8040F3-233 · +3 more
  3. O-RING NSN 5331-00-263-8020 P/N PRP902-19H224-80 · PRP90219H22480 · PRP902-19-7657 · 904-C-69 · +3 more
  4. O-RING NSN 5331-00-263-8019 P/N AS3570-261 · AN123921 · 2L1126 · 35039C · +3 more
  5. O-RING NSN 5331-00-263-8014 P/N AN123874 · AS3570-214 · AN123874 · 167A294-24 · +3 more
  6. O-RING NSN 5331-00-263-8012 P/N AS3570-007 · AN123857 · 2-007 N180-70 · AN123857 · +3 more
  7. O-RING NSN 5331-00-260-9311 P/N 1914373 · 010-9078D · 300509-03 · NV6P203-2G10 · +3 more
  8. O-RING NSN 5331-00-256-9664 P/N N90-82806 · 1820-6LCD70 · 5427-6 · N90-82806 · +3 more
  9. O-RING NSN 5331-00-255-5340 P/N AS568B-112 · ARP568-112E540- 8 · ARP568-0112E540 -8 · 52561S112 · +3 more
  10. O-RING NSN 5331-00-255-5217 P/N 1298023-21 · NAS1611-156 · NAS1613 · 1298023-21 · +3 more
  11. O-RING NSN 5331-00-252-5188 P/N 287-1004-22 · 0184-22 · 6227-22 · 6227-22 · +3 more
  12. O-RING NSN 5331-00-251-9394 P/N PRP909-14 · 9116431 · 13063 · 118013G · +3 more
  13. O-RING NSN 5331-00-250-2076 P/N J228P009 · J228P009 · J228P009 · J228P009 · +3 more
  14. O-RING NSN 5331-00-250-2074 P/N J228P908 · 5331PL2178612 · J228P908 · J228P908 · +3 more
  15. O-RING NSN 5331-00-250-1225 P/N A1633-8 · AS3570-237 · AN123897 · 2-237N180-70 · +3 more
  16. O-RING NSN 5331-00-250-1224 P/N AS3570-235 · AN123895 · 2-235N180-70 · AN123895 · +3 more
  17. O-RING NSN 5331-00-250-1221 P/N AS3570-226 · AN123886 · 2-226N180-70 · AN123886 · +3 more
  18. O-RING NSN 5331-00-247-0813 P/N J228P011 · 5331PL0163088 · J228P011 · J228P011 · +3 more
  19. O-RING NSN 5331-00-245-6673 P/N S9413-611 · S9413-611 · S9413-611 · S9413-611 · +3 more
  20. O-RING NSN 5331-00-244-2869 P/N 52561A466 · AS568-466 · 52561A466 · 25004 · +3 more
  21. O-RING NSN 5331-00-242-6639 P/N AS3570-110 · AN123863 · 200109V PIECE 4 · 5126B · +3 more
  22. O-RING NSN 5331-00-242-6631 P/N AN123978 · AS3569-218 · AN123978 · 2-218N179-70 · +3 more
  23. O-RING NSN 5331-00-240-1951 P/N AS3570-227 · AN123887 · AN123887 · 2-227N180-70 · +3 more
  24. O-RING NSN 5331-00-239-7888 P/N NAS 1611-216 · 2-216E515-80 · E0515 2-216 · 2-216 E515-80 · +3 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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