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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 5331-00-180-9951 P/N GS570J2G38 · AS3582-038 · MS9068-038 · 2-038 S604-70 · +5 more
  2. O-RING NSN 5331-00-180-9903 P/N 131-233-70 · AS568-131 · AMS3209 · B5-51-371-3 · +5 more
  3. O-RING NSN 5331-00-180-9565 P/N 326-11737 · PRP326-11737 · MS9386-326 · A-326TH1167 · +5 more
  4. O-RING NSN 5331-00-179-9445 P/N S9412-502 · S9412-502 · S9412-502 · S9412-502 · +5 more
  5. O-RING NSN 5331-00-175-4974 P/N S8890-603 · S8890-603 · S8890-603 · S8890-603 · +5 more
  6. O-RING NSN 5331-00-171-9315 P/N AS586-027 · PRP914-151109-60 · 16606A12-103 · AMS3303 · +5 more
  7. O-RING NSN 5331-00-169-9773 P/N S9412-527 · S9412-527 · S9412-527 · S9412-527 · +5 more
  8. O-RING NSN 5331-00-167-5342 P/N 1JA3368H81 · 1JA3368H81 · 1JA3368H81 · 1JA3368H81 · +5 more
  9. O-RING NSN 5331-00-167-5168 P/N M83248/2-251 · 39825174 · AS3581-251 · M83248/2-251 · +5 more
  10. O-RING NSN 5331-00-166-5989 P/N MS29513-025 · MS29513-25 · MS29513-025 · 411-8797 · +5 more
  11. O-RING NSN 5331-00-166-1100 P/N N04385 · FIG 7-2-164/7 · AS3581-121 · AMS7259 · +5 more
  12. O-RING NSN 5331-00-166-1094 P/N 2-027N-9 · MILR83248 · M83248/2-027 · MIL-R-83248/2 · +5 more
  13. O-RING NSN 5331-00-162-3807 P/N 3-912C557-7 · 17-2-0693-4 · 2-236C557-7 · 5212-53 · +5 more
  14. O-RING NSN 5331-00-148-1683 P/N 694823 · 694823 · 694823 · 694823 · +5 more
  15. O-RING NSN 5331-00-147-6160 P/N S9413-018 · S9413-018 · S9413-018 · S9413-018 · +5 more
  16. O-RING NSN 5331-00-140-0263 P/N 58-010-43 · ARP568-010E540- 8 · 2-010-E540-8 · 1N141200009 · +5 more
  17. O-RING NSN 5331-00-135-2741 P/N 0XN94-84902CP · 0XN94-84902 · ARP568-902MILP5510 · A6689.902.144CP · +5 more
  18. O-RING NSN 5331-00-134-1044 P/N 1387B323 · AMS3209 · AS568-349AMS3209 · AS568-349 · +5 more
  19. O-RING NSN 5331-00-132-6977 P/N 233-11737 · PRP233-11737 · MS9386-233 · A-233TH1167 · +5 more
  20. O-RING NSN 5331-00-132-6975 P/N 116-11737 · PRP116-11737 · MS9386-116 · A116TH1167 · +5 more
  21. O-RING NSN 5331-00-132-6971 P/N MS9385-06 · 5331PL0191042 · MS9385-06 · MS9385-06 · +5 more
  22. O-RING NSN 5331-00-124-0427 P/N 2-136-E-540-80 · 803-1385714-5-34 · NAS1611-136 · NAS1613 · +5 more
  23. O-RING NSN 5331-00-115-1356 P/N A6689-032-142 · A 6689.032.142 · A06689.032.142 · C12637PC22AND23 · +5 more
  24. O-RING NSN 5331-00-103-1775 P/N AS3209-154 · AS3209-154 · 5331PL0140119 · 10117046 · +5 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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