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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 5331-00-689-6469 P/N S1400-11 · S1400-41 · 2-338E515-80CP · S1400-41CP · +2 more
  2. O-RING NSN 5331-00-689-6462 P/N 21-19574PC63 · 21-19574PC63CP · 2-020E515-80 · 2-015 E0515-80 · +2 more
  3. O-RING NSN 5331-00-686-1289 P/N AS3551-254 · 5331PL1503863 · MS9241-254 · 10117105 · +2 more
  4. O-RING NSN 5331-00-684-7786 P/N MS29561-147 · MS29561-147 · 2-147 47-071 · OR1-147 · +2 more
  5. O-RING NSN 5331-00-684-5743 P/N AS3578-265 · MS9021-265 · 2-265 N506-65 · 2-265 N506-65 · +2 more
  6. O-RING NSN 5331-00-684-2422 P/N AS3578-901 · MS9020-01 · 5330006842422 · 403069-15 · +2 more
  7. O-RING NSN 5331-00-684-1119 P/N 914-33-711-70 · 287MR003P006 · 287MR003P006 · 287MR003P006 · +2 more
  8. O-RING NSN 5331-00-683-9896 P/N 914-25-711-70 · 287MR003P029 · 287MR003P029 · 5331PL1279804 · +2 more
  9. O-RING NSN 5331-00-683-9569 P/N AMST D2000-03A · MIL-STD-417A · MIL-STD-413C · 5330006839569 · +2 more
  10. O-RING NSN 5331-00-641-3813 P/N 73875-2 · 73875-2 · 73875-2 · AMS-P-5315 · +2 more
  11. O-RING NSN 5331-00-641-3655 P/N 47-0232-05 · 47-0232-05 · AS568-232 · 5232-51 · +2 more
  12. O-RING NSN 5331-00-641-2273 P/N S8057AY113 · S8057K113 · S8057AY113 · S8057K113 · +2 more
  13. O-RING NSN 5331-00-640-9453 P/N AS3582-219 · MS9068-219 · 2-219 S604-70 · 5072D67 · +2 more
  14. O-RING NSN 5331-00-633-4935 P/N 8739195 · 1400128-10 · S1400 2-041 · S1400-41 · +2 more
  15. O-RING NSN 5331-00-630-4308 P/N GV-22-525-17-70 · 20-595-35 · GV-022525-017-7 0 · 022525-017-70 · +2 more
  16. O-RING NSN 5331-00-627-3683 P/N PRP568-11-4024-65 · AS3578-911 · MS9020-11 · 2661058R011 · +2 more
  17. O-RING NSN 5331-00-625-0196 P/N 204-040-219-1 · 204-040-219-1 · 5-505 N4771-70 · 47-0715-505 · +2 more
  18. O-RING NSN 5331-00-618-4043 P/N GD80A1407-18 · GD80A1407-18 · GD80A1407-18 · 9951312 · +2 more
  19. O-RING NSN 5331-00-618-0286 P/N 60A113C35-1 · 60A113C35-1 · 60A113C35-1 · 29229-1 · +2 more
  20. O-RING NSN 5331-00-615-1478 P/N S9413-595 · S9413-595 · S9413-595 · S9413-595 · +2 more
  21. O-RING NSN 5331-00-613-6522 P/N IPD4M8303 · 137057-117ES · 4M8303 · 2-117N951-75 · +2 more
  22. O-RING NSN 5331-00-612-6055 P/N 080-49800-189 · 080-49800-189 · 5-052N304-7 · N304-7-5-052 · +2 more
  23. O-RING NSN 5331-00-612-3643 P/N AS568-337MILG22050GR2 · MIL-DTL-22050 · M22050-2-337 · AS568-337MIL-G- 22050GR2 · +2 more
  24. O-RING NSN 5331-00-603-2362 P/N 10026274 · 56AXT13A-33 · 25107630 · 56AX283 · +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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