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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 5331-01-525-5089 P/N MS9967-224 · 5331PL2144072 · SAE-AS9967 · AS9967-224 · +1 more
  2. O-RING NSN 5331-01-525-1903 P/N 8KK635 · RD-5-11015-0M · RD-5-3728-0M · RD-5-11015-0P · +1 more
  3. O-RING NSN 5331-01-524-8586 P/N 102-820-1109 · AS06-1963 · 102-820-1109 · LP52-0623-57A · +1 more
  4. O-RING NSN 5331-01-524-8583 P/N 102-879-1109 · P3713042 · LP52-0553-57A · 102-879-1109 · +1 more
  5. O-RING NSN 5331-01-523-8956 P/N 132-3056 · 132-3056 · 132-3056 · 132-3056 · +1 more
  6. O-RING NSN 5331-01-523-6445 P/N 81411 · 81487-001 · 81411 · 571/D · +1 more
  7. O-RING NSN 5331-01-522-2465 P/N 12438370-016 · 2-016E692-75 · E0692 2-016 · 12438370-016 · +1 more
  8. O-RING NSN 5331-01-522-1381 P/N 2-014E692-75 · 12438370-014 · 12438370-014 · E7402-014 · +1 more
  9. O-RING NSN 5331-01-522-1354 P/N 12438370-015 · 2-015E692-75 · 2-015E692-75 · 12438370-015 · +1 more
  10. O-RING NSN 5331-01-522-0637 P/N OR20X2VITX · 7424514760 · OR20X2VITX · OR20X2VITX · +1 more
  11. O-RING NSN 5331-01-521-0987 P/N 200-2470-010 · 200-2470-010 · OR70X2B60/LT · OR-N602.5X70-LT · +1 more
  12. O-RING NSN 5331-01-520-7191 P/N MIL-STD-129 · N0552 3-932 · 3-932 N552-90 · 3-932 N0552 · +1 more
  13. O-RING NSN 5331-01-520-5610 P/N 373-8132 · 992-1290 · 4KK829 · 4KK829 · +1 more
  14. O-RING NSN 5331-01-519-5924 P/N 5331PL0669750 · 5331PL2178652 · J221P916 · J221P916 · +1 more
  15. O-RING NSN 5331-01-516-5719 P/N 0.324 X 0.304 N0304-75 · 0.325 X 0.034 NM304-75 · A3279594 · 10117205 · +1 more
  16. O-RING NSN 5331-01-516-3725 P/N 7052637-09 · 7052637-09 · 5-209N0674-70 · N0674 5-209 70 · +1 more
  17. O-RING NSN 5331-01-515-0690 P/N 2GL687 · 2GL687 · DP9680 · Y00023234 · +1 more
  18. O-RING NSN 5331-01-515-0324 P/N AS9386-125 · MS9386-125 · AS9386-125 · MS9386-125 · +1 more
  19. O-RING NSN 5331-01-514-4605 P/N 923636.0424 · 9237270556 · CV181301 · 923727.0556 · +1 more
  20. O-RING NSN 5331-01-514-4594 P/N 800821444 · 9238990393 · 923899.0393 · 923899.0393 · +1 more
  21. O-RING NSN 5331-01-514-0923 P/N MS28775-118 · MS28775-118 · 5331PL2247988 · MS28775-118 · +1 more
  22. O-RING NSN 5331-01-513-1917 P/N R910111945 · 00993102 ITEM 24 · 00111945 · 2 0176-675 · +1 more
  23. O-RING NSN 5331-01-512-5683 P/N 422-210-040 · 19A11C04 · 422-210-040 · 19A11C04 · +1 more
  24. O-RING NSN 5331-01-512-4974 P/N R504734 · R504734 · R504734 · R504734 · +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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