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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 5331-00-623-1118 P/N 04733636 · 2-136P648-9 · 2-136P0642-70 · 30807268PC22 · +1 more
  2. O-RING NSN 5331-00-620-3269 P/N 1355-067 · 1355-067 · 206380 · M83248/2-043 · +1 more
  3. O-RING NSN 5331-00-618-9876 P/N 2063-1493 · 2063-1493 · 2063-1493 · 2063-1493 · +1 more
  4. O-RING NSN 5331-00-618-5757 P/N D14693REVBPC20 · 3H13-239 · 3317393REVBPC20 · 513AJPC239 · +1 more
  5. O-RING NSN 5331-00-618-0684 P/N AS3578-445 · MS9021-445 · 2-445 N506-65 · AS3578-445 · +1 more
  6. O-RING NSN 5331-00-616-6782 P/N AS 568-010-1235-50 · 25626083-35 · 2-010S595-50 · AS 568-010-S64 · +1 more
  7. O-RING NSN 5331-00-615-1762 P/N 2-021E515-80 · 2-021V709-90 · A6689.021.366 · 20235 FIND 6 · +1 more
  8. O-RING NSN 5331-00-612-3644 P/N AS568-346 · AS568-346MILG22050GR2 · AS568-346MILG22 050CGR2 · AS568-346MIL-G- 22050GR2 · +1 more
  9. O-RING NSN 5331-00-606-8994 P/N 364-0417-457 · 2-226N304-75 · AF722-1948-000PC75 · 364-0417-457 · +1 more
  10. O-RING NSN 5331-00-605-8267 P/N MS29561-154 · MS29561-154 · 2-154 47-071 · SAE-AS29561 · +1 more
  11. O-RING NSN 5331-00-605-5824 P/N SP-4294 · 9-4054-80114 · 6856 · 4294 · +1 more
  12. O-RING NSN 5331-00-605-1623 P/N 214-6317 · 5-023-0533 · 3452-01 · 71993PC9 · +1 more
  13. O-RING NSN 5331-00-605-1031 P/N 2H3928 · 2H3928 · 2H3928 · 400-5 · +1 more
  14. O-RING NSN 5331-00-603-0149 P/N S2439939-8 · S2439939-8 · S2439939-8 · S2439939-8 · +1 more
  15. O-RING NSN 5331-00-599-6576 P/N P10818 · 125165 · 34161 · 16A6179 · +1 more
  16. O-RING NSN 5331-00-599-6547 P/N S8057B11 · S8057B11 · S8057B11 · S8057B11 · +1 more
  17. O-RING NSN 5331-00-599-3152 P/N 575-4600-1443936REVAPC24 · 575-0103-1443626REVBPC55 · 3772-309REVAPC24 · PD5330-212-30 · +1 more
  18. O-RING NSN 5331-00-599-2882 P/N 67G190-7 · 133922-012ES · 317-S-7 · 67G190-7 · +1 more
  19. O-RING NSN 5331-00-599-2386 P/N 7376730 · 2272513 · KC8921 · 132946 · +1 more
  20. O-RING NSN 5331-00-599-2181 P/N 7375328 · XA744J · AMS-P-5516 · MIL-P-5516C · +1 more
  21. O-RING NSN 5331-00-599-0751 P/N 7338662 · AS3570-252 · AN123912 · AS3570-252 · +1 more
  22. O-RING NSN 5331-00-599-0635 P/N 564-6700-936266ALT2PCD3 · 569-2409-1190656ALT1PC7 · 572-4409-1416898ALTAPC7 · 2968-49ALT2PCD3 · +1 more
  23. O-RING NSN 5331-00-594-5517 P/N 100M-01062-01562-025 · 50148 · 50148 · 100M-01062-01562-025 · +1 more
  24. O-RING NSN 5331-00-593-3234 P/N C813 · 98578 FIND 1-4 · C813 · 5331PL1454896 · +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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