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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 5331-01-719-6427 P/N 8635040-19 · 8635040 · 8635040-19 · VM100 A7276-031 · +1 more
  2. O-RING NSN 5331-01-719-3404 P/N 8635041-11 · 8635041 · 8635041-11 · V0709 M83248-2-024 · +1 more
  3. O-RING NSN 5331-01-719-3386 P/N 8635040-17 · 8635040 · 8635040-17 · VM100 A7276-028 · +1 more
  4. O-RING NSN 5331-01-719-3360 P/N 8635040-31 · 8635040 · 8635040-31 · VM100 A7276-902 · +1 more
  5. O-RING NSN 5331-01-719-3347 P/N 8635040-29 · 8635040 · 8635040-29 · 8635040-29 · +1 more
  6. O-RING NSN 5331-01-717-3741 P/N H2255059-029E1 · H2255059-029E1 · H2255059-029E1 · H2255059-029E1 · +1 more
  7. O-RING NSN 5331-01-716-1301 P/N 5893886-013 · 5893886 · 5893886-013 · 5893886-013 · +1 more
  8. O-RING NSN 5331-01-715-9892 P/N 2507294-112 · 2507294-112 · N0674 M82745-003 · N0674 M21569-003 · +1 more
  9. O-RING NSN 5331-01-715-9760 P/N 2507294-129 · N0674 M21569-112 · N0674 M82745-112 · 2507294-129 · +1 more
  10. O-RING NSN 5331-01-715-9513 P/N 2507294-07 · N0674 M82745-014 · 2507294-07 · N0674 M21569-014 · +1 more
  11. O-RING NSN 5331-01-714-8922 P/N 2507294-133 · N0674 M82745-246 · 2507294-133 · N0674 M21569-246 · +1 more
  12. O-RING NSN 5331-01-714-5991 P/N 2507294-08 · N0674 M21569-015 · N0674 M82745-015 · 2507294-08 · +1 more
  13. O-RING NSN 5331-01-714-5226 P/N 2507294-117 · N0674 M82745-145 · N0674 M21569-145 · 2507294-117 · +1 more
  14. O-RING NSN 5331-01-714-5088 P/N 2507294-84 · N0674 M21569-113 · 2507294-84 · N0674 M82745-113 · +1 more
  15. O-RING NSN 5331-01-714-4829 P/N 2507294-131 · 2507294-131 · N0674 M82745-249 · N0674 M21569-249 · +1 more
  16. O-RING NSN 5331-01-714-4828 P/N 2507294-113 · N0674 M82745-006 · N0674 M21569-006 · 2507294-113 · +1 more
  17. O-RING NSN 5331-01-714-4824 P/N 2507294-37 · N0674 M82745-176 · N0674 M21569-176 · 2507294-37 · +1 more
  18. O-RING NSN 5331-01-714-4819 P/N 2507294-104 · N0674 M82745-121 · N0674 M21569-121 · 2507294-104 · +1 more
  19. O-RING NSN 5331-01-714-3742 P/N 2507294-119 · N0674 M21569-251 · N0674 M82745-251 · 2507294-119 · +1 more
  20. O-RING NSN 5331-01-714-3729 P/N 2507294-21 · N0674 M82745-034 · N0674 M21569-034 · 2507294-21 · +1 more
  21. O-RING NSN 5331-01-714-3412 P/N 2507294-114 · 2507294-114 · N0674 M21569-039 · N0674 M82745-039 · +1 more
  22. O-RING NSN 5331-01-714-2352 P/N 2507294-115 · 2507294 · 2507294/ SHEET 2 FIND 115 · 507294-115 · +1 more
  23. O-RING NSN 5331-01-714-2350 P/N 2507294/ SHEET 2 FIND 05 · 2507294-05 · 2507294 · N0674 M21569-012 · +1 more
  24. O-RING NSN 5331-01-714-2162 P/N 2507294/ SHEET 2 FIND 105 · 2507294-105 · 2507294 · N0674 M21569-213 · +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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