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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 5331-00-469-3917 P/N AS3582-127 · MS9068-127 · 1EB96 · 1PS96 · +3 more
  2. O-RING NSN 5331-00-467-3347 P/N 7374390 · 154026 · 70846 · S7-27 · +3 more
  3. O-RING NSN 5331-00-465-6688 P/N 22-38625 · C3178-134 · 22-38625 PC10 · E0515 2-134 · +3 more
  4. O-RING NSN 5331-00-463-7264 P/N PRP568-176-4024-25 · AS3578-176 · MS9021-176 · 2-176 N506-65 · +3 more
  5. O-RING NSN 5331-00-463-5611 P/N AS568-036 · E0540 2-036 · 2-036E540-8 · 2-036 E540-80 · +3 more
  6. O-RING NSN 5331-00-463-5609 P/N AS568-007 · AMS7276 · 2-007 E540-80 · 2-007E540-80 · +3 more
  7. O-RING NSN 5331-00-463-0200 P/N 11639519-1 · 11639519 · 5331PL0666641 · 10093365 · +3 more
  8. O-RING NSN 5331-00-460-8310 P/N AS3582-032 · MS9068-032 · MS-9068-032 · MS9068-032 · +3 more
  9. O-RING NSN 5331-00-458-8473 P/N 504132-16 · 2-016-B612-70 · AS568B-016 · B0612-70 2-016 · +3 more
  10. O-RING NSN 5331-00-458-2145 P/N 110901PC19 · ARP568-113MILG23652TYPE2 · ARP568-113MIL-G -23652TY2 · A6689.113.212 · +3 more
  11. O-RING NSN 5331-00-458-1951 P/N PRP568-344-4024-65 · AS3578-344 · MS9021-344 · 2-344 N506-65 · +3 more
  12. O-RING NSN 5331-00-458-1950 P/N PRP568-337-4024-65 · AS3578-337 · MS9021-337 · 2-337 N506-65 · +3 more
  13. O-RING NSN 5331-00-450-1910 P/N MS9386-013 · 5331PL0796713 · MS9386-013 · AMS3304-013ES · +3 more
  14. O-RING NSN 5331-00-450-1909 P/N MS9386-010 · 5331PL0657007 · MS9386-010 · MS9386-010ES · +3 more
  15. O-RING NSN 5331-00-450-0024 P/N 2532499-013 · 2532499-013 · 2532499-013 · 2532499-13 · +3 more
  16. O-RING NSN 5331-00-448-8156 P/N G140 2044A · 2-044N674-70 · 32202 · G140 2044A · +3 more
  17. O-RING NSN 5331-00-445-8558 P/N M30403-225 · GS13AJ225 · 2-225T · R513-225 · +3 more
  18. O-RING NSN 5331-00-437-4183 P/N PRP568-169-4024-25 · AS3578-169 · MS9021-169 · 2-169 N506-65 · +3 more
  19. O-RING NSN 5331-00-435-5274 P/N AS568-013 · 2-013E515-8 · E20018J001-13 · 2-013E515-8 · +3 more
  20. O-RING NSN 5331-00-435-0443 P/N AS568 · AS568-914 · E20018J001-37 · 2-219E515-80 · +3 more
  21. O-RING NSN 5331-00-433-9210 P/N MS9967-214 · 5331PL0657004 · MS9967-214 · SAE-AS9967 · +3 more
  22. O-RING NSN 5331-00-421-9708 P/N 4930-0404-5 · 10554998-2 · 2-013C147-70 · 2-013C1124-70 · +3 more
  23. O-RING NSN 5331-00-419-6450 P/N AS568B-112 · 2-112 N163-70 · N0163 2-112 · 2-112N163-70 · +3 more
  24. O-RING NSN 5331-00-419-0556 P/N M25988/2-028 · S9412-028 · S9412-028 · M25988/2-028 · +3 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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