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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 5331-01-435-2479 P/N M83461/1-373 · AMS-P-83461 · MIL-P-83461 · M83461/1-373 · +4 more
  2. O-RING NSN 5331-01-432-7891 P/N AMS-P-83461/1 · M83461/1-274 · M83461/1-274 · MIL-P-83461/1-274 · +4 more
  3. O-RING NSN 5331-01-432-7878 P/N AMS-P-83461/1 · M83461/1-366 · M83461/1-366 · MIL-P-83461/1-366 · +4 more
  4. O-RING NSN 5331-01-424-3517 P/N 7335MR-731-P4 · 7335MR-731-P4 · 30093-40930 ITEM 23 · 36986-335 · +4 more
  5. O-RING NSN 5331-01-424-2006 P/N 21-10608 ITEM 21 · P1-14280 PC23 · 46 2400 · 462400 · +4 more
  6. O-RING NSN 5331-01-424-1993 P/N 463736 · 463736/6770020 · 2152 2101-438 · 471-5939 · +4 more
  7. O-RING NSN 5331-01-422-9794 P/N AS3581-910CP · AMS 7259 · MIL-R-83248/2-910 · M83248/2-910CP · +4 more
  8. O-RING NSN 5331-01-418-9015 P/N M83461/1-271 · AMS-P-83461 · MIL-P-83461 · M83461/1-271 · +4 more
  9. O-RING NSN 5331-01-417-6278 P/N 109-0077 · 10KP312 · 10KP312 · 1090077 · +4 more
  10. O-RING NSN 5331-01-417-6179 P/N 7HA993 · 7HA993 · 10076289 · 1142687 · +4 more
  11. O-RING NSN 5331-01-417-4000 P/N MIL-P-83248 · MIL-P-83248 · MIL-R-83248/2 · M83248/2-043 · +4 more
  12. O-RING NSN 5331-01-413-2754 P/N 1000760 · 6HA127 · 6HA127 · 10076112 · +4 more
  13. O-RING NSN 5331-01-412-4120 P/N AMS-R-83485 · M83485/1-148 · MIL-R-83485 · M83485/1-148 · +4 more
  14. O-RING NSN 5331-01-411-5875 P/N M83461/1-269 · AMS-P-83461/1 · M83461/1-269 · MIL-P-83461/1 · +4 more
  15. O-RING NSN 5331-01-398-7469 P/N MS28775-141 · MS28775-141 · 5331PL0166457 · 2633-561-01 PC 112-2 · +4 more
  16. O-RING NSN 5331-01-397-5132 P/N AMC-R-83485 · M83485/1-137 · MIL-R-83485 · M83485/1-137 · +4 more
  17. O-RING NSN 5331-01-397-1254 P/N AMS-R-83248/1 · M83248/1-328 · 3029-0001-3 FIND 10CP · AS3209-328CP OXYGEN CLEAN · +4 more
  18. O-RING NSN 5331-01-392-2886 P/N AMS7276 BROWN ONLY · M83248/1-213 BROWN ONLY · MIL-R-83248 · 2-213-V884-75 · +4 more
  19. O-RING NSN 5331-01-392-0830 P/N M83461/1-208 · AMS-P-83461 · M83461/1-208 · MIL-P-83461 · +4 more
  20. O-RING NSN 5331-01-391-3436 P/N EN6075-016 · NAS1611-016 · NAS1611-016A · NAS1613 · +4 more
  21. O-RING NSN 5331-01-391-3037 P/N 07A568-153N · N0756 2-153 · 07A568-153N · B86002-153N · +4 more
  22. O-RING NSN 5331-01-390-4685 P/N RS000410-003-02 · RS000410-003-01 · RS000410-003-02 · A0413116-100 · +4 more
  23. O-RING NSN 5331-01-387-6863 P/N M83461/1-033 · AMS-P-83461 · MIL-P-83461 · M83461/1-033 · +4 more
  24. O-RING NSN 5331-01-387-5834 P/N M83461/1-113 · AMS-P-83461/M83461/1-113 · MIL-P-83461/1 · M83461/1-113 · +4 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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