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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 5331-00-942-5120 P/N 07A199-024 · B86002-024S · 0245604-7 · AS3582-024 · +9 more
  2. O-RING NSN 5331-00-929-1636 P/N PRP210-11646 · 210-11646 · B63115-210 · PRP568-210-1133-60 · +9 more
  3. O-RING NSN 5331-00-920-8523 P/N AS568-223 · ASTM D2000-01-M3CH910B34E016E036 · AS568C-223 · 200113AVPC101 · +9 more
  4. O-RING NSN 5331-00-917-7732 P/N PRP237-11646 · 237-11646 · B63115-237 · PRP568-237-1133-60 · +9 more
  5. O-RING NSN 5331-00-915-2087 P/N PRP137-11646 · 137-11646 · B63115-137 · PRP568-137-1133-60 · +9 more
  6. O-RING NSN 5331-00-902-0401 P/N 07A568-234S · PRP568-234-1235-70 · B86002-234S · 07A199-234 · +9 more
  7. O-RING NSN 5331-00-882-1678 P/N PRP223-19357 · 223-19357 · 387026 · 120R1 CLASS 1 SIZE 223 AMS 7278 · +9 more
  8. O-RING NSN 5331-00-877-9906 P/N 263-1487 · PRP263-1487 · 497550-274 · PRP568-263-4077-70 · +9 more
  9. O-RING NSN 5331-00-857-4421 P/N S8990-528 · S8990-528 · S8990-528 · S8990-528 · +9 more
  10. O-RING NSN 5331-00-853-4272 P/N 20259-6 · 24572 · S8057R147 · S8057R147 · +9 more
  11. O-RING NSN 5331-00-851-8695 P/N AS3578-040 · PRP568-040-4024-65 · AS3578-040 · 90300-7 · +9 more
  12. O-RING NSN 5331-00-845-9589 P/N S8990-022 · S8990-022 · S8990-022 · S8990-022 · +9 more
  13. O-RING NSN 5331-00-838-6729 P/N Z053074980 · 74980 · Z053074980 · 74980 · +9 more
  14. O-RING NSN 5331-00-831-6639 P/N AS568-014 MIL-G-23652 TYPE 2 · ARP568-014MILG23652TYPE2 · AS568-014/AMS3218C · 000014EE · +9 more
  15. O-RING NSN 5331-00-824-8584 P/N MS29561-022 · PRP914-10 142-70 · 914-10-142-70 · 130A0328 · +9 more
  16. O-RING NSN 5331-00-807-9638 P/N 102A10001-10 · MS29561-023 · ABS-R-7362 · 5331PL0143898 · +9 more
  17. O-RING NSN 5331-00-806-3197 P/N AA55549-14 · A-A-55549 · A-A-55549-14 · ABS 3302 · +9 more
  18. O-RING NSN 5331-00-803-5957 P/N PRP902-26-142-70 · 5R17-26 · 5140-97-26 · 5001048REVXPC11 · +9 more
  19. O-RING NSN 5331-00-782-7561 P/N NAS1594-018 · I16450DF151A · 01877B78A3U60C9 · 103-0001-18-395 · +9 more
  20. O-RING NSN 5331-01-571-4433 P/N 2601410C1 · 50116-C · 50116 · 7423195786 · +9 more
  21. O-RING NSN 5331-01-553-2240 P/N 7550478-264382003-052 · 845-7286645 ITEM 52 · M83248/1-228 · 5331PL0977348 · +9 more
  22. O-RING NSN 5331-01-549-4748 P/N 845-7108792-40 · 7383858-264367001-40 · AS3581-325CP · M83248/2-325 · +9 more
  23. O-RING NSN 5331-01-491-4231 P/N 085185 ITEM 5 · 085181 ITEM 7 · 085186 ITEM 5 · 085180 ITEM 7 · +9 more
  24. O-RING NSN 5331-01-483-0851 P/N ST1946-112 · M83485/1-112 · AMS-R-83485 · AMS-R-834 85/1 · +9 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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