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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 5331-00-492-2367 P/N AS568A-013 · AS568B-013 · 2-013N-7 · AS568B-013 · +20 more
  2. O-RING NSN 5331-00-478-2938 P/N 7866-166 · CD395 · PX1775-166 · 10V60-141-166 · +20 more
  3. O-RING NSN 5331-00-419-2973 P/N 2-19E540-8 · 2-019E0540-80 · AS568B-019 · 5331PL1257536 · +20 more
  4. O-RING NSN 5331-00-343-1035 P/N M25988/1-010 · PRP010-11647 · 010-11647 · 16606A79-5 · +20 more
  5. O-RING NSN 5331-00-297-7106 P/N 7320658 · 5936191 · 5936191 · 5936191 · +20 more
  6. O-RING NSN 5331-00-297-6527 P/N PRP233-7866 · 233-7866 · 7866-33 · GS570EM233 · +20 more
  7. O-RING NSN 5331-00-297-5391 P/N 564-4801-936602ALT1PC23 · 4824-3204981REVAPC11 · 4824-3132364REVBPC15 · 564-4824-937907ALT2PC11 · +20 more
  8. O-RING NSN 5331-00-291-7353 P/N 7974911 · 1E8458 · 36009 · 5430-3 · +20 more
  9. O-RING NSN 5331-00-291-7339 P/N 7866-328 · 60-P-31-328 · PX1775-328 · 10V60-141-328 · +20 more
  10. O-RING NSN 5331-00-290-9477 P/N 515243A · 26N610PC22 · 26N260PC22 · 26N601PC22 · +20 more
  11. O-RING NSN 5331-00-265-1096 P/N 78866-325 · 7866-325 · 60-P-31-325 · MS29513-325 · +20 more
  12. O-RING NSN 5331-00-263-8041 P/N 7866-245 · GS570EM245 · 60-P-31-245 · PX1775-245 · +20 more
  13. O-RING NSN 5331-00-251-9368 P/N 7866-337 · 60-P-31-339 · 60-P-31-337 · PX1775-339 · +20 more
  14. O-RING NSN 5331-00-251-9365 P/N 7866-335 · 60-P-31-335 · PX1775-335 · 10V60-141-335 · +20 more
  15. O-RING NSN 5331-00-248-3842 P/N R1307P017 · 851457-00 · 705873 · MS29513-017 · +20 more
  16. O-RING NSN 5331-00-197-9611 P/N ASA69 · PRP902-69 · 26B1001 · 250S69 · +20 more
  17. O-RING NSN 5331-00-196-5350 P/N PRP902-64 · DWGN0902-64 · 15160-23 · S764 · +20 more
  18. O-RING NSN 5331-00-165-1938 P/N PRP162-19357 · PRP162-16207 · PRP568-162-9009-75 · AMS7276 · +20 more
  19. O-RING NSN 5331-01-349-6182 P/N 3-910N756-75 · 07A568-910N · AS910-7757 · AS568-910D7 · +19 more
  20. O-RING NSN 5331-01-183-4061 P/N D104040200 · 7255-264 PIECE 43 · 1PS99 · 9HE954 · +19 more
  21. O-RING NSN 5331-01-010-3370 P/N TG202318 PIECE 43 · S902L049 · S902L049 · NAS1593-049 · +19 more
  22. O-RING NSN 5331-01-005-4409 P/N 845-8219247-061 · 845-8219247 ITEM NO. 061 · 1479RA PIECE 24 · AMS 7276 · +19 more
  23. O-RING NSN 5331-00-913-7202 P/N 711510-1 · 8640208 · 3547915 · 25562 · +19 more
  24. O-RING NSN 5331-01-070-9658 P/N 038-7377 · A706-038 · P48026-038 · PRP568-038-4067-70 · +19 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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