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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 5331-01-719-0238 P/N 2502774 · 2502774-68 · 2502774-68 · 2502774-68 · +2 more
  2. O-RING NSN 5331-01-719-0236 P/N 2502774 · 2502774-54 · 2502774-54 · 2502774-54 · +2 more
  3. O-RING NSN 5331-01-719-0233 P/N 2502774 · 2502774-48 · 2502774-48 · 2502774-48 · +2 more
  4. O-RING NSN 5331-01-719-0194 P/N 2502774 · 2502774-49 · 2502774-49 · 2502774-49 · +2 more
  5. O-RING NSN 5331-01-717-6466 P/N 2507294-96 · 2507294-96 · N0674 M21569-129 · 2507294-96 · +2 more
  6. O-RING NSN 5331-01-715-9763 P/N 2507294-121 · 2507294-121 · 2507294-121 · N0674 M21569-278 · +2 more
  7. O-RING NSN 5331-01-715-0745 P/N 2507294 · 2507294-76 · AS568-077 · N0674 M21569-077 · +2 more
  8. O-RING NSN 5331-01-714-9513 P/N 2507294 · 2507294/ SHEET 2 FIND 120 · 2507294-120 · N0674 M82745-252 · +2 more
  9. O-RING NSN 5331-01-714-4517 P/N 2507294 · N0674 M21569-256 · 2507294-68 · N0674 M82745-256 · +2 more
  10. O-RING NSN 5331-01-714-3991 P/N 2507294/ SHEET 2 FIND 128 · 2507294-128 · 2507294-128 · N0674 M82745-035 · +2 more
  11. O-RING NSN 5331-01-714-3986 P/N 2507294 · 2507294-01 · 2507294/ SHEET 2 FIND 01 · N0674 M21569-005 · +2 more
  12. O-RING NSN 5331-01-714-3183 P/N 2507294-31 · 2507294/ SHEET 2 FIND 31 · 2507294 · 2507294-31 · +2 more
  13. O-RING NSN 5331-01-714-2922 P/N 2507294 · 2507294/ SHEET 2 FIND 93 · 2507294-93 · 2507294-93 · +2 more
  14. O-RING NSN 5331-01-714-2920 P/N 2507294/ SHEET 2 FIND 118 · 2507294 · 2507294-118 · N0674 M82745-241 · +2 more
  15. O-RING NSN 5331-01-714-2917 P/N 2507294 · 2507294-95 · 2507294/ SHEET 2 FIND 95 · N0674 M82745-138 · +2 more
  16. O-RING NSN 5331-01-714-2898 P/N 2507294 · 2507294/ SHEET 2 FIND 03 · 2507294-03 · N0674 M82745-010 · +2 more
  17. O-RING NSN 5331-01-714-2893 P/N 2507294/ SHEET 2 FIND 111 · 2507294 · 2507294-111 · N0674 M21569-387 · +2 more
  18. O-RING NSN 5331-01-714-2441 P/N 2507294 · 2507294/ SHEET 2 FIND 89 · 2507294-89 · 2507294-89 · +2 more
  19. O-RING NSN 5331-01-714-2359 P/N 2507294/ SHEET 2 FIND 102 · 2507294-102 · 2507294 · N0674 M21569-209 · +2 more
  20. O-RING NSN 5331-01-714-2354 P/N 2507294-99 · 2507294/ SHEET 2 FIND 99 · 2507294 · N0674 M21569-920 · +2 more
  21. O-RING NSN 5331-01-714-2229 P/N 2507294-94 · 2507294 · 2507294/ SHEET 2 FIND 94 · N0674 M82745-116 · +2 more
  22. O-RING NSN 5331-01-714-2223 P/N 2507294/ SHEET 2 FIND 06 · 2507294-06 · 2507294 · N0674 M82745-013 · +2 more
  23. O-RING NSN 5331-01-714-2195 P/N 2507294 · 2507294-100 · 2507294/ SHEET 2 FIND 100 · N0674 M82745-123 · +2 more
  24. O-RING NSN 5331-01-714-2158 P/N 2507294 · 2507294/ SHEET 2 FIND 103 · 2507294-103 · 2507294-103 · +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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