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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 5331-01-011-9707 P/N 0900-162PC59 · A-A-59588-2B70 · AS568-908ZZR765CL2BGR70 · AS568-908 · +1 more
  2. O-RING NSN 5331-01-011-8001 P/N N-3621-338-5 · F-375-B-013-SK-A · F-375-B-013-SK-A · N-3621-338-5 · +1 more
  3. O-RING NSN 5331-01-011-7058 P/N N-3621-338-24 · F-375-B-006-SK-A · F-375-B-006-SK-A · N-3621-338-24 · +1 more
  4. O-RING NSN 5331-01-011-7057 P/N F-375-B-007-SK-A · N-3621-338-4 · F-375-B-007-SK-A · N-3621-338-4 · +1 more
  5. O-RING NSN 5331-01-011-7056 P/N N-3621-338-3 · F-375-B-004-SK-A · N-3621-338-3 · F-375-B-004-SK-A · +1 more
  6. O-RING NSN 5331-01-011-7055 P/N F-375-B-005-SK-A · N-3621-338-2 · N-3621-338-2 · F-375-B-005-SK-A · +1 more
  7. O-RING NSN 5331-01-010-9988 P/N NAS1611-472 · NAS1613 · H20087G001PC18 · N190472E000 · +1 more
  8. O-RING NSN 5331-01-007-8799 P/N MIL-R-25988B · MIL-R-25988/1 · MIL-DTL-25988/1 · M25988/1-219 · +1 more
  9. O-RING NSN 5331-01-007-4901 P/N MIL-DTL-25988/1 · M25988/1-238 · MIL-R-25988/1 · 5331PL0658304 · +1 more
  10. O-RING NSN 5331-01-007-1628 P/N M25988/1-228 · MIL-DTL-25988/1 · MIL-R-25988/1 · M25988/1-228 · +1 more
  11. O-RING NSN 5331-01-007-1625 P/N 1602321-60 · 10117138 · S0604 5-051 · 5-051S604-70 · +1 more
  12. O-RING NSN 5331-01-007-1619 P/N M25988/1-344 · MIL-DTL-25988/1 · MIL-R-25988/1 · 5331PL0658294 · +1 more
  13. O-RING NSN 5331-01-007-1611 P/N M25988/1-261 · MIL-DTL-25988/1 · MIL-R-25988/1 · 5331PL1699333 · +1 more
  14. O-RING NSN 5331-01-007-1603 P/N M25988/1-146 · MIL-DTL-25988/1 · MIL-R-25988/1 · 5331PL0658291 · +1 more
  15. O-RING NSN 5331-01-006-9487 P/N GS570J3F6 · AS568-906 · 3-6S613-60 · 3-906S613-60 · +1 more
  16. O-RING NSN 5331-01-006-8905 P/N AS568-129 · 5331PL1240816 · 96814 · 96814 · +1 more
  17. O-RING NSN 5331-01-006-5477 P/N M83248/2-041 · MIL-R-83248/2 · AS3581-041 · SAE-AS3581 · +1 more
  18. O-RING NSN 5331-01-006-3939 P/N 2-126N380-80 · 4400181-1260 · J200AC126 · 800228 · +1 more
  19. O-RING NSN 5331-01-005-9062 P/N 593620 · 593620 · 593620 · 593620 · +1 more
  20. O-RING NSN 5331-01-005-9047 P/N AS568-282AMS3334 · ASS68-282AMS3334 · 8282-73124 · 8282-73124 · +1 more
  21. O-RING NSN 5331-01-005-3219 P/N 10-24879-02PC30 · 82-20120-07 · 5331PL1288405 · 262359 · +1 more
  22. O-RING NSN 5331-01-005-3211 P/N AS3209-394 · MIL-R-83248/1 · M83248/1-394 · SAE-AMS7276 · +1 more
  23. O-RING NSN 5331-01-005-0545 P/N 20A11BM251 · 20A11BM251 · 20A11BM251 · 5331PL1240408 · +1 more
  24. O-RING NSN 5331-01-005-0539 P/N AS3209-393 · M83248/1-393 · MIL-R-83248/1 · SAE-AMS7276 · +1 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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