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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 5331-00-752-8609 P/N 563847-6AB · M22050-1-011 · MILG22050 · MIL-DTL-22050 · +2 more
  2. O-RING NSN 5331-00-752-8339 P/N 593-518-1862913PC13 · 3-932688-70 · ARP568-932MILG2 2050 · ARP568-932 · +2 more
  3. O-RING NSN 5331-00-752-8272 P/N 115-17107 · 27-13X77-545 · S24792 · 810-1385870RBPC41-2IN · +2 more
  4. O-RING NSN 5331-00-740-9762 P/N 7409762 · PGF9648-32A · PGF9648-32 · PGF9648-32 · +2 more
  5. O-RING NSN 5331-00-730-8328 P/N S8316K20 · S8316K20 · 28316K20 · S8316K20 · +2 more
  6. O-RING NSN 5331-00-728-2293 P/N 591790 · 591790 · 591790 · 591790 · +2 more
  7. O-RING NSN 5331-00-728-2288 P/N 593967 · 593967 · 593967 · 593967 · +2 more
  8. O-RING NSN 5331-00-727-9174 P/N 364525 · 364525 · 364525 · 364525 · +2 more
  9. O-RING NSN 5331-00-727-4093 P/N 271155 · 186888 · 593-522-1862404PC65 · 593-518-1862913PC4 · +2 more
  10. O-RING NSN 5331-00-726-0822 P/N W246175SH2ITEM6 · W246177PC456C · 20A11XM219 · W246175SH2ITEM6 · +2 more
  11. O-RING NSN 5331-00-725-2287 P/N 15506526 · 6047305 · 287-1197P3 · FPBI115 · +2 more
  12. O-RING NSN 5331-00-724-3512 P/N GN926 · 926 · 926001 · GN926 · +2 more
  13. O-RING NSN 5331-00-724-0555 P/N R1306P008 · R1306-8 · 2-8L449-6 · LM158 2-008 · +2 more
  14. O-RING NSN 5331-00-720-2947 P/N PRP568-029-4024-65 · AS3578-029 · 155-1245 · MS9021-029 · +2 more
  15. O-RING NSN 5331-00-720-2167 P/N 909-39-739-90 · 261-7399 · 909-39-737-70 · AS568-261/AMS-P-5510 · +2 more
  16. O-RING NSN 5331-00-718-9295 P/N A395X83 · P15133 · MILP5516CLASSA · 3960A395X83 · +2 more
  17. O-RING NSN 5331-00-714-2330 P/N 154114 · CV133017 · 9F-1399 · 2-261N951-75 · +2 more
  18. O-RING NSN 5331-00-708-7770 P/N AS568B-224 · 104X224A · 2-224N674-70 · 104X224A · +2 more
  19. O-RING NSN 5331-00-702-2537 P/N PRP568-32-4024-65 · AS3578-932 · MS9020-32 · 59,36X3-20B7 · +2 more
  20. O-RING NSN 5331-00-701-8089 P/N PRP568-335-4024-65 · AS3578-335 · MS9021-335 · 2-335 N506-65 · +2 more
  21. O-RING NSN 5331-00-701-3394 P/N S7-39 · 15872 · 4253355 · 25K60228 · +2 more
  22. O-RING NSN 5331-00-701-1880 P/N AS3551-134 · AMS7272 · MS9241-134 · SAE-AS3551 · +2 more
  23. O-RING NSN 5331-00-689-6485 P/N 222E515-8 · 22-38646 PC 14 · 500496-2 · 2-222 E515-80 · +2 more
  24. O-RING NSN 5331-00-689-6482 P/N AS568-014-80 · 24-49198PC8CP · 22449198PC8 · 500529-2 · +2 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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