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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 5331-00-593-1192 P/N 3H0107 · 3H0107 · 3H0107 · 3H0107 · +1 more
  2. O-RING NSN 5331-00-591-3112 P/N 5F-9144 · CV132959 · 2-011N951-75 · 2-011N951-75 · +1 more
  3. O-RING NSN 5331-00-585-6660 P/N 457-60-PC143 · MILP5315 · 1793-PC143 · MS29513PC143 · +1 more
  4. O-RING NSN 5331-00-585-3170 P/N WW359REVGPC12 · 607-20216 · 607-20216 · WW359REVGPC12 · +1 more
  5. O-RING NSN 5331-00-585-1068 P/N 497250-313 · 90B88 · MS29561-224 · SAE-AS29561 · +1 more
  6. O-RING NSN 5331-00-585-0854 P/N AS3569-216 · AN123976 · 2-216N179-70 · AS3569-216 · +1 more
  7. O-RING NSN 5331-00-584-1976 P/N J221P012 · 5330PL0885397 · 10119509 · 705B504P3 · +1 more
  8. O-RING NSN 5331-00-584-1231 P/N 601549-5 · 182380 · 5331PL1527403 · MS9021-016 · +1 more
  9. O-RING NSN 5331-00-584-1165 P/N 040-9160-00-0 · 10PW750 · 17-916 · 40-3N117 · +1 more
  10. O-RING NSN 5331-00-582-7662 P/N 4600315 · 623016 · 4600315 · 14-9-44415 · +1 more
  11. O-RING NSN 5331-00-582-7144 P/N AS568-222MIL-G-22050 GR1 · 222-3238 · 2-222E688-70 · 82-20222-07 · +1 more
  12. O-RING NSN 5331-00-582-7047 P/N 10036-2 · 831727-43 · 802-099-2 · 802-099-2 · +1 more
  13. O-RING NSN 5331-00-582-7041 P/N 10036-13 · 5-149 N406-60 · 5-149N406-60 · 0017-6025 N406-1 · +1 more
  14. O-RING NSN 5331-00-582-2462 P/N 0923566 · 25032 · 0923566-4 · PURCHASEDET5330-231-18 · +1 more
  15. O-RING NSN 5331-00-582-1963 P/N PRP902-29-158-80 · 110029-2201 · 110029-2201 · GRC27-29-1052 · +1 more
  16. O-RING NSN 5331-00-582-1571 P/N 623036 · 120R0C36CLASS3 · 980049 · SC1204-41 · +1 more
  17. O-RING NSN 5331-00-580-8624 P/N 8527422PCALL · 8527422 · 8527422PCALL · 8527422 · +1 more
  18. O-RING NSN 5331-00-580-1653 P/N X1363T17 · X1363T17 · X1363T17 · X1363T17 · +1 more
  19. O-RING NSN 5331-00-580-1227 P/N 5H-6005 · 2-111N951-75 · 5H6005 · 8F6952 · +1 more
  20. O-RING NSN 5331-00-580-0341 P/N 06689116142 · 05.1050.116 · 9635REVCPC47 · A6689-116-142 · +1 more
  21. O-RING NSN 5331-00-576-5291 P/N 5B-4399 · 10078329 · 5B-4399 · 5B4399 · +1 more
  22. O-RING NSN 5331-00-574-0842 P/N 016-002717-272 · AS3582-272 · MS9068-272 · AS3582-272 · +1 more
  23. O-RING NSN 5331-00-571-5041 P/N 54-60-2846 · 5715041 · 203-2119176 PC 34 · 76719-03X3PC34 · +1 more
  24. O-RING NSN 5331-00-567-3475 P/N 1-0923649-8 · 0923649-8 · 080302 · 0923649-8 · +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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