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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 5331-01-470-3100 P/N 1000770 · 23KP108 · 5331PL2128454 · 109-3207 · +8 more
  2. O-RING NSN 5331-01-469-6905 P/N 7339987-2 · PM-2009-V · 6804004 · 330-7507 · +8 more
  3. O-RING NSN 5331-01-432-5835 P/N 6391056 FIND 008 · 6391093 FIND 15 · 5793265 FIND 211 · MIL-R-83248 TYI,CL2 · +8 more
  4. O-RING NSN 5331-01-424-6629 P/N 2002316 · 8HB262 · 23043446 · 23043446 · +8 more
  5. O-RING NSN 5331-01-412-4839 P/N ST1946-905 · ST1946-905 · ST1946-905 · ST1946-905 · +8 more
  6. O-RING NSN 5331-01-412-4457 P/N ST1946-906 · M83485/1-906 · AMC-R-83485 · M83485/1-906 · +8 more
  7. O-RING NSN 5331-01-407-2799 P/N NAS1601-214 · NAS1601 · NAS1611-214 · NAS1601-214CP · +8 more
  8. O-RING NSN 5331-01-406-4381 P/N 801-6404716 FIND 23 · 211004785 · D3800-A066 ITEM 25 · D3800-A066 ITEM 25 · +8 more
  9. O-RING NSN 5331-01-400-2888 P/N STSV047AN014 · STSV047AN014CP · STSV047AN014 · SV799335 FIND 4 · +8 more
  10. O-RING NSN 5331-01-397-0829 P/N M25988/2-908 · M25988/2-908 · S8316AD8 · S9412-558 · +8 more
  11. O-RING NSN 5331-01-385-6370 P/N SS-62TITEM21 · M83248/1-017 · AMS-R-83248/1 · M83248/1-017 · +8 more
  12. O-RING NSN 5331-01-078-5132 P/N N8981 · N08981 · 2-233N674-70 · N08981 · +8 more
  13. O-RING NSN 5331-01-071-0432 P/N PRP568-156-4067-70 · MS28775-156 · MS28775-156 · 2-156 N304-75 · +8 more
  14. O-RING NSN 5331-01-058-4030 P/N 712313X · 11-018 · 530-447 · A00544 · +8 more
  15. O-RING NSN 5331-01-051-8126 P/N P48026-035 · MS28775-035 · 5331PL0658311 · MS28775-035 · +8 more
  16. O-RING NSN 5331-01-049-6595 P/N AS3581-133 · AS568-133MILG23652TY2 · M83248/2-133 · MIL-R-83248 · +8 more
  17. O-RING NSN 5331-01-047-0437 P/N M83248/2-334 · AS3581-334 · AS568-334MILG23652TYPE2 · 5331PL1246697 · +8 more
  18. O-RING NSN 5331-01-045-5605 P/N 5P-5846 · 26KP886 · 26KP886 · ARP568-326MILG23652TYPE2 · +8 more
  19. O-RING NSN 5331-01-041-1302 P/N 39803272 · 211032 · 30-0464-5 · 5331PL1243447 · +8 more
  20. O-RING NSN 5331-00-759-2022 P/N 94501-2 · M25988/1-013 · MIL-DTL-25988/1 · MILR25988 · +8 more
  21. O-RING NSN 5331-00-752-8885 P/N 29771-032 · 29771-032 · 2-32C0M47-741 · 29771-032 · +8 more
  22. O-RING NSN 5331-00-727-1882 P/N 15152 N PIECE 56 · SP100-103 · 155509 · V3D10059PC14 · +8 more
  23. O-RING NSN 5331-00-726-7027 P/N PRP909-8 142-70 · 5140-534051-145 · MS29561-230 · MS29561-230 · +8 more
  24. O-RING NSN 5331-00-726-4153 P/N S8171K15 · 66G342-15 · 5331PL0144167 · MS29561-237 · +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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