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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 5331-01-321-7699 P/N STSV465A042 · SV799335 FIND 22 · STSV465A042 · STSV465A042 · +2 more
  2. O-RING NSN 5331-01-321-7697 P/N SV799335 FIND 11 · STSV465A030 · STSV465A030 · STSV465A030 · +2 more
  3. O-RING NSN 5331-01-321-7197 P/N SV799335 FIND 66 · STSV047AN028 · STSV047AB028 · STSV047AN028 · +2 more
  4. O-RING NSN 5331-01-321-7186 P/N STSV047AN023 · SV799335 FIND 55 · STSV047AN023 · STSV047AN023 · +2 more
  5. O-RING NSN 5331-01-321-6138 P/N 040-8130-00-0 · AMS7276 · 1.161IDX1.279ODX.059W · M83248/1 1.161IDX1.2790DX0.059W · +2 more
  6. O-RING NSN 5331-01-321-2452 P/N STSV047AL012CP · SV795704 FIND 5 · STSV047AL012 · STSV047AL012 · +2 more
  7. O-RING NSN 5331-01-320-9567 P/N 04811-00390 · 04811-00390 · 04816-00390 · 04811-00390 · +2 more
  8. O-RING NSN 5331-01-320-8638 P/N 1298023-31 · 1298023-31 · 1298023-31 · 1298023-31 · +2 more
  9. O-RING NSN 5331-01-317-9969 P/N 820-5786921-2 · LO-013179969 · PO0206NRP · LO1438 · +2 more
  10. O-RING NSN 5331-01-315-4215 P/N 908-3177 · 10231-1 · LL-HQ6-4341 · LO1425 · +2 more
  11. O-RING NSN 5331-01-315-2194 P/N 531-10074-1 · 8-341 N674-70 · 8-341 · 8-341N674-70 · +2 more
  12. O-RING NSN 5331-01-315-2144 P/N 010306 · 024533 · 10306 · 962/20 41 · +2 more
  13. O-RING NSN 5331-01-314-4797 P/N 001-05-1178 · 001.05.1178 · 5331PL2035173 · 10399212 · +2 more
  14. O-RING NSN 5331-01-313-5724 P/N 130017-11202522 · 11-39MIL3-2006-14 · 5-39MIL3-1003-14 · 3-1039 PIECE 14 · +2 more
  15. O-RING NSN 5331-01-313-0694 P/N 9000-S6202-73919PC17 · MS28775-024 · 5331PL0888448 · MS28775-024 · +2 more
  16. O-RING NSN 5331-01-312-6971 P/N 453 8742-675 · 014 997 84 48 · 453 8742-675 · 453 8742-675 · +2 more
  17. O-RING NSN 5331-01-312-6670 P/N 2402861-1 · 2402861-1P · 2402861-1P · 2402861-1 · +2 more
  18. O-RING NSN 5331-01-311-7874 P/N H-40255-2423 · US-70455 ITEM 23 · H-40255-2423 · US-70455 ITEM 23 · +2 more
  19. O-RING NSN 5331-01-311-5968 P/N J228P138 · 10159978 · J228P138 · J228P138 · +2 more
  20. O-RING NSN 5331-01-311-1473 P/N 25126-018 · 25126-018 · 25124-317 · 25126-018 · +2 more
  21. O-RING NSN 5331-01-308-7452 P/N AS568 · ASTM D2000 · 12810 · 2-338E692-75 · +2 more
  22. O-RING NSN 5331-01-308-6551 P/N 6914770-17 · 6195891-17 · 6914770-17 · 6914770-17ED · +2 more
  23. O-RING NSN 5331-01-308-1884 P/N AS28775 · MS28775-263 · AN123923 · MS28775-263 · +2 more
  24. O-RING NSN 5331-01-307-9416 P/N 4413 PIECE 4 · 5381 PIECE 5 · 68568P0P7 · 220 · +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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