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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 5331-00-480-6026 P/N 69494R249 · 69494R249 · 5331PL0960391 · 69494R249 · +1 more
  2. O-RING NSN 5331-00-477-9903 P/N 8357192 · 2-125 A512-70 · 5330004779903 · 2-125AA150-70 · +1 more
  3. O-RING NSN 5331-00-477-2380 P/N 5793294 FIND 82 · SAE AS29561-016 · MS29661-016 · SAE AS29561-016 · +1 more
  4. O-RING NSN 5331-00-476-2995 P/N 2-020-B612-70 · NAS1611-020 · ARP020B612-70 · B0612-70 2-020 · +1 more
  5. O-RING NSN 5331-00-470-5631 P/N D1105-106 · H136-056 · D1105-106 · D-1105-106 · +1 more
  6. O-RING NSN 5331-00-470-5577 P/N 69494R253 · 5331PL0813770 · 69494R253 · 69494R253 · +1 more
  7. O-RING NSN 5331-00-470-5540 P/N 9525588 · 9525588 · 9525588 · 9525588 · +1 more
  8. O-RING NSN 5331-00-468-5215 P/N N177392-21 · N177392-21 · N177392-21 · N177392-21 · +1 more
  9. O-RING NSN 5331-00-468-1706 P/N 3538-4 · 3534FIND13 · 3534PC13 · 3538-4 · +1 more
  10. O-RING NSN 5331-00-467-9167 P/N 99-1447299 · 1-03007-614 · 103007614 · 103007614 · +1 more
  11. O-RING NSN 5331-00-467-8956 P/N GD2411-14 · 750030114 · 7-50030-114 · 7-50030-114 · +1 more
  12. O-RING NSN 5331-00-466-2174 P/N M83248/1-212CP · 516-5343916-F19 · M83248/1-212CP · ARP568-212CPMILR25897TY1CL1 · +1 more
  13. O-RING NSN 5331-00-465-2660 P/N 213-100711-00 · 622704 · 2042056-6 · 8048801 · +1 more
  14. O-RING NSN 5331-00-456-6150 P/N 260008 · HE5675PC8 · 260008 · R165 · +1 more
  15. O-RING NSN 5331-00-455-7023 P/N AS568-334 · MIL-STD-413 · 2-334E540-80 · 2-334E515-8 · +1 more
  16. O-RING NSN 5331-00-450-6816 P/N MS29561-148 · MS29561-148 · 2-148 47-071 · MS29561-148 · +1 more
  17. O-RING NSN 5331-00-450-1908 P/N AS3582-004 · MS9068-004 · 2-004 S604-70 · SAE-AS3582 · +1 more
  18. O-RING NSN 5331-00-450-0022 P/N 2532499 · 2532499-114 · ARP114-9250 · ARP114-9250 · +1 more
  19. O-RING NSN 5331-00-450-0021 P/N 2532499-153 · ARP568-153IDSA9250 · ARP153-9250 · 000-15300MG · +1 more
  20. O-RING NSN 5331-00-447-4025 P/N 10203-26PC12 · 10203-26 · 58-009-45 · AS568-009MILG23652TY2 · +1 more
  21. O-RING NSN 5331-00-445-5984 P/N 2532499-210 · 31268 · 2532499-210 · ARP210-9250 · +1 more
  22. O-RING NSN 5331-00-445-5202 P/N 16100233 · 3239271 · ADH4025B · ADH4025A · +1 more
  23. O-RING NSN 5331-00-444-7918 P/N N0525-60 · N0525 2-210 · 210-8306 · 210 · +1 more
  24. O-RING NSN 5331-00-441-9930 P/N 104X214A · 10403-0116 · 0104030116 · A16877 · +1 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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