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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 5331-00-776-7695 P/N 2-216A607-7 · 2-216 A607-70 · 2-216A607-70 · CD5330-02475-1 · +1 more
  2. O-RING NSN 5331-00-765-4595 P/N AMS 3303 · 2-160 S613-60 · 2-160S613-60 · 2-160S418-6 · +1 more
  3. O-RING NSN 5331-00-765-2082 P/N ARP568-218MILG23652TY1 · F17023-11 · AS568-218MIL-G- 23652 TY 1 · 000218EE · +1 more
  4. O-RING NSN 5331-00-764-5313 P/N 682241AC · 25K60212 · N0674 2-332 · 2-332 N674-70 · +1 more
  5. O-RING NSN 5331-00-764-2382 P/N 7400-90-232 · AS568-232 · ASTM D2000-04 · 76NC232 · +1 more
  6. O-RING NSN 5331-00-763-2508 P/N 5-557C147-7 · 5-557 C873-70 · 5-557N304-75 · 5-557C147-7 · +1 more
  7. O-RING NSN 5331-00-763-2491 P/N ARP568-011MILG23652TY2 · AS568B-011/AMS3218 · AS586B · 5331PL1279834 · +1 more
  8. O-RING NSN 5331-00-763-0672 P/N 671959 ITEM A04 · 5331PL0681006 · 026-7507 · 671-00026 · +1 more
  9. O-RING NSN 5331-01-727-7392 P/N 8841884 · 566-8841884-63 · LOA014251-63 · 54-49-0062AW · +1 more
  10. O-RING NSN 5331-01-727-5892 P/N 2502774-45 · 2502774-45 · E0540 M82744 035/1W2B · 2502774-45 · +1 more
  11. O-RING NSN 5331-01-725-4255 P/N 8915909/SH 7-4 PN 4 · 8915909 · 6585 · 218143563 · +1 more
  12. O-RING NSN 5331-01-725-4249 P/N 8915909 · 8915909/SH 7-4 PN 6 · 6583 · 218143565 · +1 more
  13. O-RING NSN 5331-01-724-1621 P/N 76-7512 · 21222365 · 21222384 · 21222365 REV G FIND NO 10 · +1 more
  14. O-RING NSN 5331-01-723-0380 P/N 8598034-03 FN 62 SHEET 2 · 8598034-03 FN 62 · AS3581-232D7 · 8598034-03 FN 62D7 · +1 more
  15. O-RING NSN 5331-01-722-7688 P/N 2502774-41 · E0540 M82744-908/1W2B · 2502774-41 · 2502774-41 · +1 more
  16. O-RING NSN 5331-01-721-5656 P/N 21222365 REV G FIND NO 33 · 21222365 · SDRL VAC DWG 21222365 SQ NO A033 · 56015600 · +1 more
  17. O-RING NSN 5331-01-721-5539 P/N 8635042-11 · 8635042 · 8635042-11 · NM756 A83461-128 · +1 more
  18. O-RING NSN 5331-01-721-5506 P/N 2502774-62 · 2502774-62 · E0540 M82744-219/1W2B · 2502774 · +1 more
  19. O-RING NSN 5331-01-721-5490 P/N 2502774-46 · E0540 M82744-110/1W2B · 2502774-46 · 2502774 · +1 more
  20. O-RING NSN 5331-01-721-5456 P/N 2502774-51 · 2502774-51 · E0540 M82744-003/1W2B · 2502774 · +1 more
  21. O-RING NSN 5331-01-721-5305 P/N 2502774-47 · 2502774-47 · E0540 M82744-126/1W2B · 2502774-47 · +1 more
  22. O-RING NSN 5331-01-721-5221 P/N 8635042-9 · 8635042 · 8635042-9 · 8635042-9 · +1 more
  23. O-RING NSN 5331-01-721-5200 P/N 2502774-43 · E0540 M82744-905/1W2B · 2502774-43 · 2502774-43 · +1 more
  24. O-RING NSN 5331-01-719-9254 P/N M83485/1-203 · M83485/1-203 · SAE-AS83485 · AS83485 · +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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