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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 5331-00-988-8808 P/N PRP568-217-1487 · 5140-9722 · BACG0T22 · MS29561-217 · +14 more
  2. O-RING NSN 5331-00-951-3150 P/N 914-14VL123X5 · GS570EM026 · 6723513 · 6723513 · +14 more
  3. O-RING NSN 5331-00-928-9732 P/N E104555 FIND 51 · 3799948 FIND 59 · PRP568-246-4024-65 · AS3578-246 · +14 more
  4. O-RING NSN 5331-00-922-3433 P/N 7866-170 · PX1775-170 · 10V60-141-170 · 457-60-170 · +14 more
  5. O-RING NSN 5331-00-901-7196 P/N B86002-015S · 07A199-015 · AS3582-015 · 402-1224 · +14 more
  6. O-RING NSN 5331-00-894-1968 P/N 100066-10 · D2000-05 2BG715E034EF11EF21F1 · D2000 2BG715E34E51E61F17 · AS568-238 · +14 more
  7. O-RING NSN 5331-00-883-8590 P/N 0XN95-81607 · 10240-17 · 58-014-58 · 0X58-014-15 · +14 more
  8. O-RING NSN 5331-00-853-0246 P/N S8990-012 · S8990-012 · S8990-012 · S8990-012 · +14 more
  9. O-RING NSN 5331-00-832-9514 P/N 10002-123 · 2-123N219-7 · 7052637-07 · D2000 GR 3CH714A25B34EO16EO3 · +14 more
  10. O-RING NSN 5331-00-815-4046 P/N RC35478-4 · 0R88T5 · 941329 · LT-157-6 · +14 more
  11. O-RING NSN 5331-00-808-7612 P/N MS28775-131 · PRP568-131-4067-70 · MS28775-131 · 5331PL0809486 · +14 more
  12. O-RING NSN 5331-01-698-9884 P/N 7383858-PLC-12385-8 · M3581-146 · M83248/2-146 · H547-0001-PLC-12385-8 · +14 more
  13. O-RING NSN 5331-01-090-4116 P/N 1889570ASSYAE 1/4IN PIECE 37 · AS3581-010 · SAE AS3581 · M83248-2-010 · +14 more
  14. O-RING NSN 5331-01-077-9759 P/N 1045Z1042 · 45Z91D42 · 39813072 · 2-130 · +14 more
  15. O-RING NSN 5331-01-070-9657 P/N ARP568-036MILP25732 · P48026-036 · PRP568-036-4067-70 · MS28775-036 · +14 more
  16. O-RING NSN 5331-01-062-4733 P/N 5876A35 · 5876A501 · PRP568-234 488-70 · 11-234-7446-70 · +14 more
  17. O-RING NSN 5331-01-050-1538 P/N B15972 ITEM 04 · 803-4384536-1XXX-49 · 803-4384536-1XX49 · AS83461/1 · +14 more
  18. O-RING NSN 5331-01-048-4997 P/N VITON-113-0R · 6208-40-2 · M83485/1-113 · M83485/1-113 · +14 more
  19. O-RING NSN 5331-00-759-1687 P/N 287-6008P012 · MIL-DTL-25988/1 · M25988/1-012 · MILR25988 · +14 more
  20. O-RING NSN 5331-00-753-2002 P/N 008-17107 · 2-8-77-545 · 100706D · 16606A41-3 · +14 more
  21. O-RING NSN 5331-00-629-1698 P/N RC35493-3 · 52-35493-2 · 0R329T · 0R329EM · +14 more
  22. O-RING NSN 5331-00-618-4603 P/N 23062N PIECE 24 · 40444-4 FIND NO 20 · S805AP232 · PRP568-37-4067-70 · +14 more
  23. O-RING NSN 5331-00-599-0975 P/N 7866-450 · 60-P-31-450 · 60-P-31-451 · PX1775-450 · +14 more
  24. O-RING NSN 5331-00-599-0972 P/N 7866-452 · 60-P-31-452 · PX1775-452 · 10V60-141-452 · +14 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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