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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.

Filter

53,078 items

  1. O-RING NSN 5331-01-280-4606 P/N AS3085-112 · 2-112 V747-75 · 2-112 V747-75 · V0747 2-112 · +1 more
  2. O-RING NSN 5331-01-279-3362 P/N AS3085-129 · 2-129 V747-75 · V0747 2-129 · 2-129 V747-75 · +1 more
  3. O-RING NSN 5331-01-279-3361 P/N AS3085-020 · 2-020 V747-75 · 2-020 V747-75 · V0747 2-020 · +1 more
  4. O-RING NSN 5331-01-279-3359 P/N AS3085-019 · 2-019 V747-75 · 781968 · V0747 2-019 · +1 more
  5. O-RING NSN 5331-01-279-3358 P/N AS3085-028 · 2-028 V747-75 · 2-028 V747-75 · V0747 2-028 · +1 more
  6. O-RING NSN 5331-01-279-3355 P/N AS3085-158 · 2-158 V747-75 · 2-158 V747-75 · V0747 2-158 · +1 more
  7. O-RING NSN 5331-01-279-3354 P/N AS3085-006 · 2-006 V747-75 · 2-006 V747-75 · V0747 2-006 · +1 more
  8. O-RING NSN 5331-01-279-3352 P/N AS3085-011 · 2-011 V747-75 · V0747 2-011 · 2-011 V747-75 · +1 more
  9. O-RING NSN 5331-01-279-2240 P/N S9233-XX-MMA-010/LCS SH7-176#9 · 0T65274.70.63 · 00652747063 · 0065274.70.63 · +1 more
  10. O-RING NSN 5331-01-279-0697 P/N S9233-XX-MMA-010LCS SH-176#7 · 0065273.70.63 · 0N65273.70.63 · 0N65273.70.63 · +1 more
  11. O-RING NSN 5331-01-279-0497 P/N AS568-911MIL-G-22050 · ARP568-911MILG2 2050 · 3-911E688-70 · AS568-911 · +1 more
  12. O-RING NSN 5331-01-278-9646 P/N 1557052-18 · 1557052-18 · 1557052-18 · 1557052 · +1 more
  13. O-RING NSN 5331-01-278-7724 P/N D1000 ITEM 3 · D1000 ITEM 3 · AS568-024 · AMS 7276 · +1 more
  14. O-RING NSN 5331-01-278-5035 P/N C2817-5725-01 · C2817-5725-01 · 2817-5725-01 · 2817-5725-01 · +1 more
  15. O-RING NSN 5331-01-278-5033 P/N C2817-5725-02 · 2817-5725-02 · 2817-5725-02 · C2817-5725-02 · +1 more
  16. O-RING NSN 5331-01-278-3946 P/N MS28775-241 · MS28775-241 · MS28775-241 · SAE-AS28775 · +1 more
  17. O-RING NSN 5331-01-278-2810 P/N 2-21C147-7 · 2-021C147-7 · 2-021C1124-70 · C0147 2-021 · +1 more
  18. O-RING NSN 5331-01-277-9593 P/N AS3085-160 · 2-160 V747-75 · 2-160 V747-75 · V0747 2-160 · +1 more
  19. O-RING NSN 5331-01-277-7887 P/N 6098285-6 · 6098285-6 · 6098285-06 · 6098286-6 · +1 more
  20. O-RING NSN 5331-01-277-6600 P/N AS3085-123 · 2-123 V747-75 · V0747 2-123 · 2-123 V747-75 · +1 more
  21. O-RING NSN 5331-01-277-6599 P/N AS3085-217 · 2-217 V747-75 · 2-217 V747-75 · V0747 2-217 · +1 more
  22. O-RING NSN 5331-01-277-6597 P/N AS3085-267 · 2-267 V747-75 · V0747 2-267 · 2-267 V747-75 · +1 more
  23. O-RING NSN 5331-01-277-6596 P/N AS3085-029 · 2-029 V747-75 · V0747 2-029 · 2-029 V747-75 · +1 more
  24. O-RING NSN 5331-01-277-6594 P/N AS3085-026 · 2-026 V747-75 · V0747 2-026 · 2-026 V747-75 · +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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