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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 5331-01-018-5663 P/N AS3581-911 · AMS7259D · AMS7259 · M83248/2-911 · +5 more
  2. O-RING NSN 5331-01-018-5277 P/N 60108165 · 5893841-165 · 5893841-165 · 1720-83 · +5 more
  3. O-RING NSN 5331-01-016-8941 P/N 803-4384536-3XX-29 · AS568-022 · AS568B-022 · D2000M2AA810A13EA14F17 · +5 more
  4. O-RING NSN 5331-01-008-1155 P/N 7004-N · V-2122 P/N 7004-N · 4129-53 · P38-433-3PC4 · +5 more
  5. O-RING NSN 5331-01-007-4900 P/N MIL-R-25988/1 · MIL-DTL-25988/1 · M25988/1-237 · 60-703552 · +5 more
  6. O-RING NSN 5331-01-007-4898 P/N MIL-R-25988/1 · M25988/1-234 · MIL-DTL-25988/1 · 5331PL1663108 · +5 more
  7. O-RING NSN 5331-01-007-1597 P/N MS25988/1-132 · M25988/1-132 · MIL-DTL-25988/1 · MIL-R-25988/1 · +5 more
  8. O-RING NSN 5331-01-007-1595 P/N MIL-DTL-25988/1 · M25988/1-128 · MIL-R-25988/1 · TS1046G128-70 · +5 more
  9. O-RING NSN 5331-01-006-2770 P/N 010-830-70 · 010-8307 · AS568-010 · D2000-04 · +5 more
  10. O-RING NSN 5331-01-006-2124 P/N PRP128-11648 · 128-11648 · M25988/4-128 · MIL-DTL-25988/4 · +5 more
  11. O-RING NSN 5331-01-006-2119 P/N AMS 7276G · AS568-913 · MIL-R-83248/1 · M83248/1-913 · +5 more
  12. O-RING NSN 5331-01-006-2114 P/N AS3209-471 · MIL-R-83248C TYPEC 1 CLASS 1 · MIL-R-83248/1 · M83248/1-471 · +5 more
  13. O-RING NSN 5331-01-006-2113 P/N AMS 7276 · AS3209-470 · MIL-R-83248/1 · MIL-R-83248C TYPE 1 CLASS 1 · +5 more
  14. O-RING NSN 5331-01-006-0323 P/N AS3209-365 · M83248/1-365 · MIL-R-83248CTY1CL1 · MIL-R-83248/1 · +5 more
  15. O-RING NSN 5331-01-006-0311 P/N AS3209-354 · MIL-R-83248/1 · MIL-R-83248C TYPE 1 CLASS 1 · M83248/1-354 · +5 more
  16. O-RING NSN 5331-01-006-0306 P/N AS3209-321 · MIL-R-83248/1 · M83248/1-321 · 2-321-V884075 · +5 more
  17. O-RING NSN 5331-01-005-4052 P/N AS3209-438 · MIL-R-83248/1 · M83248/1-438 · 211054182 · +5 more
  18. O-RING NSN 5331-01-005-4043 P/N AS3209-314 · M83248/1-314 · MIL-R-83248/1 · 2-314V0747-75 · +5 more
  19. O-RING NSN 5331-01-005-4042 P/N AS3209-313 · MIL-R-83248/1 · M83248/1-313 · M83248-1-313 · +5 more
  20. O-RING NSN 5331-01-005-3703 P/N AS3209-310 · M83248/1-310 · MIL-R-83248/1 · M83248-1-310 · +5 more
  21. O-RING NSN 5331-01-005-3701 P/N AS3209-207 · MIL-R-83248/1 · M83248/1-207 · 2-207V0747-75 · +5 more
  22. O-RING NSN 5331-01-005-3209 P/N AS3209-352 · M83248/1-352 · MIL-R-83248/1 · M83248-1-352 · +5 more
  23. O-RING NSN 5331-01-005-3208 P/N AS3209-351 · MIL-R-83248/1 · M83248/1-351 · 2-351V0747-75 · +5 more
  24. O-RING NSN 5331-01-005-2315 P/N BK105 · AS3209-458 · MIL-R-83248/1 · M83248/1-458 · +5 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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