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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 5331-00-975-2037 P/N 2-151S604-70 · 07A568-151S · AS3582-151 · MS9068-151 · +6 more
  2. O-RING NSN 5331-00-968-1862 P/N PRP568-425-4024-65 · PRP568-425-4465-65 · AS3578-425 · MS9021-425 · +6 more
  3. O-RING NSN 5331-00-953-1885 P/N NV822201 FIND 84 · NAS1601-018 · NAS1611-018A · NAS1611-018 · +6 more
  4. O-RING NSN 5331-00-949-9287 P/N 219-5005387MK307 · 219-5005386MK310 · AS3582-247 · MS9068-247 · +6 more
  5. O-RING NSN 5331-00-944-8281 P/N 6CA226 · 6CA226 · 10075300 · 902116704 · +6 more
  6. O-RING NSN 5331-00-936-8876 P/N 20-0851 · MS28775-124 · 20-0851 · MS28775-124 · +6 more
  7. O-RING NSN 5331-00-935-9269 P/N 111-739-90 · 111-7399 · 2-111-183-9 · 99136-111-11 · +6 more
  8. O-RING NSN 5331-00-935-9240 P/N S9515-AL-MMA-010,7-51 ITEM 6 · CP031A034D3 · NV822201 FIND 98 · NAS1613 · +6 more
  9. O-RING NSN 5331-00-935-9238 P/N NAS1601 · NAS1613 · NAS1611-032 · NAS1611-032A · +6 more
  10. O-RING NSN 5331-00-933-2089 P/N 571005 · 571004 · 571007 · 571005 · +6 more
  11. O-RING NSN 5331-00-927-4308 P/N 25K60412 · AS568-348 · 682241S · 34-469 · +6 more
  12. O-RING NSN 5331-00-922-5956 P/N AS3209-015 · 5330PL0212490 · 5331PL2247927 · 10349113 · +6 more
  13. O-RING NSN 5331-00-916-4685 P/N 15886 · PGF9648-69 · PGF9648-69 · PGF9648-69 · +6 more
  14. O-RING NSN 5331-00-915-3630 P/N AS3582-112 · 5331PL1279895 · MS9068-112 · 645001Q112 · +6 more
  15. O-RING NSN 5331-00-913-7206 P/N 2-219N183-9 · ARP2-219N183-9 · 2-219N183-9 · 1306622 · +6 more
  16. O-RING NSN 5331-00-913-6144 P/N IPD4J520 · 4J520 · 4J520 · 4J520 · +6 more
  17. O-RING NSN 5331-00-901-4407 P/N AS3582-211 · MS9068-211 · ARP568-211ZZR76 5CL2BGR70 · 211WS714177 · +6 more
  18. O-RING NSN 5331-00-899-1183 P/N 8599669-004 · 41E46 · MS29561-004 · 5331PL1279885 · +6 more
  19. O-RING NSN 5331-00-892-2569 P/N 2620-901PC28-2IN · S9026L148 · MILR25897TYPE1 · MILR25897TYPE1CLASS1 · +6 more
  20. O-RING NSN 5331-00-883-0541 P/N AS568-907 · AMS-R-7362 · 3-907-47-071 · NM071 3-907 · +6 more
  21. O-RING NSN 5331-00-882-3591 P/N S8990-008 · S8990-008 · S8990-8 · S8990-8 · +6 more
  22. O-RING NSN 5331-00-882-0613 P/N 1B8855 · PRP902-17 · 5427-17 · 1820-17 · +6 more
  23. O-RING NSN 5331-00-873-7214 P/N AS568-006 · AS568-006 · 4-1654-24-1SP100 · 2-006 N103-70 · +6 more
  24. O-RING NSN 5331-00-846-0502 P/N AS3551-010 · 5331PL0908793 · MS9241-010 · S8057AY5 · +6 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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