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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 5331-01-005-0518 P/N AS3209-205 · MIL-R-83248/1 · M83248/1-205 · 020205V0747 · +8 more
  2. O-RING NSN 5331-00-995-5381 P/N 600-8000-001 · AS3582-019 · MS9068-019 · MS9068-019 · +8 more
  3. O-RING NSN 5331-00-988-8681 P/N EN6076-10 · 649-602-902-0 · NAS1612-10A · NAS1613 · +8 more
  4. O-RING NSN 5331-00-987-3393 P/N G$570J3F6 · 906-1235-60 · AMS3303J · AS568-906 · +8 more
  5. O-RING NSN 5331-00-984-3786 P/N 3-908N219-7 · G80P16632-2 · MS28775-908 · 352250019372 · +8 more
  6. O-RING NSN 5331-00-965-0750 P/N AS3582-216 · 2-216S604-7 · MS9068-216 · MS9068-216 · +8 more
  7. O-RING NSN 5331-00-956-9216 P/N 7377-152 · 4067-70-152 · MS28775-152 · 1446-152 · +8 more
  8. O-RING NSN 5331-00-942-8449 P/N ARP568-032 CL1 · 7354-70-23 · T21950 · 2-032 C873-70 · +8 more
  9. O-RING NSN 5331-00-941-3599 P/N 028-13125-000 · 364-48575-000 REV D ITEM 36 · AS568-244 · AMS3209 · +8 more
  10. O-RING NSN 5331-00-935-9136 P/N 274244 · 274244 · 274244 · AS568-904 · +8 more
  11. O-RING NSN 5331-00-927-9293 P/N 9027701 · 9027701 · P01-7336 · P17336 · +8 more
  12. O-RING NSN 5331-00-913-4697 P/N 845-2181262PC13,1/2IN · MS28775-223 · 845-2181262 PC13 · MS28775-223 · +8 more
  13. O-RING NSN 5331-00-901-5091 P/N RS26110-030040 · MS29561-030 · MS29561-030 · 2-03047-071 · +8 more
  14. O-RING NSN 5331-00-900-3848 P/N 740782 PC3 · AS3582-017 · 5331PL1856069 · 5331PL1559442 · +8 more
  15. O-RING NSN 5331-00-894-1039 P/N PRP568-428-4067-70 · MS28775-428 · 5331PL0810187 · MS28775-428 · +8 more
  16. O-RING NSN 5331-00-892-4263 P/N MS29561-262 · MS29561-262 · AS29561 · 5331PL2169158 · +8 more
  17. O-RING NSN 5331-00-892-2558 P/N 264-17107 · PRP264-19357 · PRP568-264-9009-75 · AS568-264 MIL-R-25897 TY 1 CL 1 · +8 more
  18. O-RING NSN 5331-00-883-3834 P/N ASTM D2000 · AS568-112 · M2BG714B14E1434F17 · 5331PL0755604 · +8 more
  19. O-RING NSN 5331-00-882-6874 P/N AS3551-011 · 5331PL1384877 · MS9241-011 · NAS1617-3 · +8 more
  20. O-RING NSN 5331-00-879-4668 P/N S8990-007 · S8990-007 · S8990-7 · S8990-007 · +8 more
  21. O-RING NSN 5331-00-865-0404 P/N 6F6673 · 54772 · 145904 · 154022 · +8 more
  22. O-RING NSN 5331-00-857-4425 P/N S8990-524 · S8990-524 · S8990-524 · S8990-524 · +8 more
  23. O-RING NSN 5331-00-853-9191 P/N 84375PC24 · 65110S · AS3582-125 · 5331PL2169232 · +8 more
  24. O-RING NSN 5331-00-853-6655 P/N 497250-315 · MS29561-243 · 1866-21 · 2-243C0MP0UNDNU · +8 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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