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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 5331-01-176-0923 P/N 12339498 · 5591345 · 89745 · 5977011939931 · +1 more
  2. O-RING NSN 5331-01-175-3481 P/N AS29513-428 · MS29513-428 · SAE-AS29513 · AS29513-428 · +1 more
  3. O-RING NSN 5331-01-175-2178 P/N 182592 · 5331PL1324339 · 3-904 L308-80 · 3-904 L308-8 · +1 more
  4. O-RING NSN 5331-01-174-8466 P/N AS29513-374 · MS29513-374 · SAE-AS29513 · AS29513-374 · +1 more
  5. O-RING NSN 5331-01-174-3591 P/N 670-50230 · 2-230 E1157-60 · 2-230 E529-65 · 2-23E1157-60 · +1 more
  6. O-RING NSN 5331-01-174-0215 P/N AS29513-376 · MS29513-376 · SAE-AS29513 · AS29513-376 · +1 more
  7. O-RING NSN 5331-01-173-9216 P/N 1152721092 · 1152721092 · 4536226-793 · 92516-991 · +1 more
  8. O-RING NSN 5331-01-173-6607 P/N 114893-00 · 114893 · 2220N-9 · 114893 · +1 more
  9. O-RING NSN 5331-01-173-3418 P/N 55-156-8309 · 0081955 · 55-156-8309 · 45506-15 ITEM36 · +1 more
  10. O-RING NSN 5331-01-173-1118 P/N AS3582-338 · MS9068-338 · AS3582-338 · AS3582-338 · +1 more
  11. O-RING NSN 5331-01-173-0883 P/N 5331PL1724118 · M83461/1-036 · 10121182 · N0756 2-036 · +1 more
  12. O-RING NSN 5331-01-173-0156 P/N 4852299-002 · 455-0376 · 4852299-002 · 94581-991 · +1 more
  13. O-RING NSN 5331-01-173-0153 P/N 91901-991 · 3536928-727 · 91901-991 · 60.08.334 · +1 more
  14. O-RING NSN 5331-01-172-4651 P/N 1152720892 · 1152720892 · 4536226-776 · 92499-991 · +1 more
  15. O-RING NSN 5331-01-172-4645 P/N 6369970244 · 6369970244 · 4537800-772 · 93640-991 · +1 more
  16. O-RING NSN 5331-01-171-6301 P/N Y325-214 · Y325-214 · 40083693 · Y325-214 · +1 more
  17. O-RING NSN 5331-01-170-9113 P/N 12630-011 · AS568-011ZZ-R-765CL2BGR80 · S614-80-011 · S0614 2-011 · +1 more
  18. O-RING NSN 5331-01-170-8667 P/N 44B3721-60D PIECE 1BP10 · 127 AFP 5/16 IN. · 44B3021-685 · 44B3021-685 · +1 more
  19. O-RING NSN 5331-01-170-8447 P/N 42281 · NH6756A22J · NH6756A22J · NH6756A22J · +1 more
  20. O-RING NSN 5331-01-170-3748 P/N 14-10-02239 · 14-01-02239 · 71919 · 71919 · +1 more
  21. O-RING NSN 5331-01-169-3171 P/N 75032 · 10512595 · 75032 · 58951 · +1 more
  22. O-RING NSN 5331-01-169-2465 P/N 75058 · 10512643 · 59055 · 75058 · +1 more
  23. O-RING NSN 5331-01-169-2463 P/N 75029 · 10512621 · 58945 · 75029 · +1 more
  24. O-RING NSN 5331-01-169-2462 P/N 75025 · 10512613 · 58940 · 75025 · +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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