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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 5331-00-235-4956 P/N 118-7507 · 19280DA · ASTM22000 · AS568-118 · +4 more
  2. O-RING NSN 5331-00-231-1667 P/N A6689-908-222 · A6689.908.222 · 1889622-0908 · ARP568-908E540- 8 · +4 more
  3. O-RING NSN 5331-00-230-4457 P/N 77741-17X2PC12 · 8720REVGPC32 · 8716PC32 · A6689-220-144 · +4 more
  4. O-RING NSN 5331-00-225-0707 P/N 17221P11 · 10510327 · 71980 · 745-239658 · +4 more
  5. O-RING NSN 5331-00-221-6178 P/N S8990-579 · MS9385-03 · 5331PL0654965 · MS9385-03 · +4 more
  6. O-RING NSN 5331-00-194-3705 P/N SMB185462 · AN6227B29 · AMS-P-5516 · AN6227A29 · +4 more
  7. O-RING NSN 5331-00-182-3578 P/N PRP568-316-4067-70 · MS28775-316 · AS28775-316 · MS28775-316 · +4 more
  8. O-RING NSN 5331-00-180-9710 P/N 114950-4 · MS9386-009 · 5331PL0653317 · MS9386-009 · +4 more
  9. O-RING NSN 5331-00-179-9373 P/N S9412-007 · S9412-007 · S9412-007 · S9412-007 · +4 more
  10. O-RING NSN 5331-00-171-9918 P/N 22123-2 · 5330-217-34 · ARP568-123MILP5 516-70DURM · 22175 · +4 more
  11. O-RING NSN 5331-00-171-9280 P/N 440106-05 · AMS-R-7362 · AS568-034 · B1330080 · +4 more
  12. O-RING NSN 5331-00-171-8002 P/N S8057A20 · S8057A20 · S8057A20 · 622720S12 · +4 more
  13. O-RING NSN 5331-00-169-0532 P/N 82005528-005 · 82005528-005 · 82005528-005 · 82005528-005 · +4 more
  14. O-RING NSN 5331-00-167-5167 P/N 020238V0709 · AS3581-238 · M83248/2-238 · MILR83248 · +4 more
  15. O-RING NSN 5331-00-166-1098 P/N AS3581-110 · AMS7259 · M83248/2-110 · MILR83248 · +4 more
  16. O-RING NSN 5331-00-159-3472 P/N 0-1459 · R000BR1C283 · 10403-0018 · 2-007 C1124-70 · +4 more
  17. O-RING NSN 5331-00-149-8859 P/N 046-19357 · PRP568-046-4024-65 · AS3578-046 · MS9021-046 · +4 more
  18. O-RING NSN 5331-00-144-6007 P/N D654-8SV103N25D · A6689.019.142CP · A6689-019-142 · D654-8SV103N25DCP · +4 more
  19. O-RING NSN 5331-00-143-8695 P/N ARP568-119S604-7 · AS3582-119 · MS9068-119 · 2-119 S604-70 · +4 more
  20. O-RING NSN 5331-00-140-4836 P/N S9413-012 · S9413-012 · S9413-012 · 59413-012 · +4 more
  21. O-RING NSN 5331-00-140-2065 P/N 2-151MN156-75 · PRP151-7377 · G1402151A · 2-151 N674-70 · +4 more
  22. O-RING NSN 5331-00-138-0063 P/N 0900-219PC7 · A-A-59588 CL 2B GR 70 · ARP568-217ZZR765CL2BGR70 · AS568-217 · +4 more
  23. O-RING NSN 5331-00-137-3293 P/N A-A-59588 CL 2B GR 70 · A-A-55801 · AA55801-212D7 · ARP568-212ZZR765CL2BGR70 · +4 more
  24. O-RING NSN 5331-00-137-3204 P/N 5HD853 · AS568-040 3CH720A25B14E16E36 · 505-0008-240 · 5500W10-005 · +4 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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