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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 5331-01-475-3917 P/N 32075110 · 221000700003 · 32075110 · 32075110 · +2 more
  2. O-RING NSN 5331-01-471-7468 P/N 51M7041 · 51M7041 · 19-004-1752 · 51M7041 · +2 more
  3. O-RING NSN 5331-01-470-5159 P/N 51M7042 · 51M7042 · 51M7042 · 51M7042 · +2 more
  4. O-RING NSN 5331-01-470-3252 P/N 3601016 · 3601016 · 3601016 · 3601016 · +2 more
  5. O-RING NSN 5331-01-470-3115 P/N 9X-7557 · 9X-7557 · 9X-7557 · 9X-7557 · +2 more
  6. O-RING NSN 5331-01-470-3089 P/N 1000757 · 7HA415 · 117-1385 · ACC40105 · +2 more
  7. O-RING NSN 5331-01-470-0703 P/N PL13381 REV B FIND NO.2 · MS28778-042 · MS28778-042 · MS2778-042 · +2 more
  8. O-RING NSN 5331-01-470-0415 P/N 4680-215 · NAS1593-215 · 4680-215 · SR-2702-75 · +2 more
  9. KIT,O-RING NSN 5331-01-469-2954 P/N B1031 · B1031 · M70341/1-906 · M70341/1-112 · +2 more
  10. O-RING NSN 5331-01-468-3656 P/N 064-48511-000 ITEM 12 · 028-12998-000 · 364-48756-000 ITEM 93 · 364-48496-000 ITEM 120 · +2 more
  11. O-RING NSN 5331-01-468-3647 P/N 364-48946-000 ITEM 100 · 364-49480-000 ITEM 7 · 364-48756-000 ITEM 24 · 064-48511-000 ITEM 24 · +2 more
  12. O-RING NSN 5331-01-468-3613 P/N 364-48756-000 ITEM 76 · 364-48946-000 ITEM 101 · 028-12936-000 · 064-48511-000 ITEM 76 · +2 more
  13. O-RING NSN 5331-01-468-1178 P/N 14044 · 14044 · C14044 · C14044 · +2 more
  14. O-RING NSN 5331-01-467-0888 P/N 6439738-3 · 6439738-3 · 2-130 E740-75 · 990034-3 · +2 more
  15. O-RING NSN 5331-01-463-9549 P/N 6HB954 · RK22333 · 22333 · 6HB954 · +2 more
  16. PACKING,PREFORMED,A NSN 5331-01-463-8897 P/N NSN SPECIFIC V-22 AE1107C ENGINE · M83248/1-010 · AS3085-010 · AS3209-010 · +2 more
  17. O-RING NSN 5331-01-463-8414 P/N 5893840-126 · 5893840 · 5893840-126 · 5893840-126 · +2 more
  18. O-RING NSN 5331-01-463-3892 P/N AS568-161 · MIL-G-22050 · MIL-DTL-22050 · M22050-1-161 · +2 more
  19. O-RING NSN 5331-01-460-1190 P/N 10025256 · 6HA995 · 12092195 · 6HA995 · +2 more
  20. O-RING NSN 5331-01-460-1063 P/N ABS3209 · AS568-390 · BU00.102.0236 · 2-390C147-70 · +2 more
  21. O-RING NSN 5331-01-459-6277 P/N 5330PL0211523 · MS9967-046 · 10116984 · SAE-AS9967 · +2 more
  22. O-RING NSN 5331-01-459-0260 P/N 19-00-12117-E6306 · 12975438-1 · 1983438-1 · 5331014590260 · +2 more
  23. O-RING NSN 5331-01-457-5306 P/N AS568-261 · AMS3209 · 2-261C873-70 · 2-261C1124-70 · +2 more
  24. O-RING NSN 5331-01-457-0768 P/N 122-3772 · 18KP813 · 18KP813 · 10076298 · +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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