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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 5331-00-146-9529 P/N 121-11648 · 182577 · L0308 2-121 · 2-121L308-8 · +3 more
  2. O-RING NSN 5331-00-144-8380 P/N PRP568-001-4024-65 · AS3578-001 · MS9021-001 · N0506 2-001 · +3 more
  3. O-RING NSN 5331-00-143-8495 P/N AS3582-122 · MS9068-122 · 2-122 S604-70 · 2-122 S604-70 · +3 more
  4. O-RING NSN 5331-00-143-7012 P/N SM-C-773504-1 · 537531-17 · 2-017 E515-80 · 2-017E515-8 · +3 more
  5. O-RING NSN 5331-00-143-6875 P/N AS3582-120 · MS9068-120 · PRP568-120-1235 -70 · S0604 2-120 · +3 more
  6. O-RING NSN 5331-00-141-5054 P/N 12662291 · 5190-527710 · 180-948040-5 · 4467494 · +3 more
  7. O-RING NSN 5331-00-138-0058 P/N 2-235N219-70 · 067252 · 923585 · 923585 · +3 more
  8. O-RING NSN 5331-00-133-5809 P/N NAS1612-32 · NAS1612-32A · 3-32E515-8 · 3-932E515-8 · +3 more
  9. O-RING NSN 5331-00-133-1945 P/N AS568-112/TA705BE1E3LF2 · CVC4222-112 · 2-112S455-7 · 2-112S0455-70 · +3 more
  10. O-RING NSN 5331-00-131-7160 P/N AS568-150 · 2-150N525-6 · 2-150N525-60 · 2-150N525-6 · +3 more
  11. O-RING NSN 5331-00-129-9335 P/N 624VLD598CM · 72118 · 00510262 · F37020-118 · +3 more
  12. O-RING NSN 5331-00-122-1333 P/N 036727 · STO36727 · ST036727 · 036727 · +3 more
  13. O-RING NSN 5331-00-121-2466 P/N AS3582-342 · MS9068-342 · PRP568-342 · 77789F01 · +3 more
  14. O-RING NSN 5331-00-117-4744 P/N D50-0070-ITEM 6 · AS568-906 · M83248/2-906 · 3-906S455-70 · +3 more
  15. O-RING NSN 5331-00-115-6080 P/N MS29561-342 · AMS-R-7362 · MIL-R-7362D · MS29561-342 · +3 more
  16. O-RING NSN 5331-00-113-8399 P/N PRP6227-32 7170 · GSS151HP ITEM 15 · H13-329 · AS3582-329 · +3 more
  17. O-RING NSN 5331-00-107-9293 P/N NA151 2-023 · PRP023-8307 · 023-8307 · AS568-023 · +3 more
  18. O-RING NSN 5331-00-106-6276 P/N 704-4685272 ITEM F35 · AS3581-258 · ARP568-258MILG1149TY2CL5 · M83248/2-258 · +3 more
  19. O-RING NSN 5331-00-106-2943 P/N 13D95 · T100097 · AS568-146 · 2-146 N674-7 · +3 more
  20. O-RING NSN 5331-00-103-2936 P/N 2-033C557-7 · 9992033 · 2-33C557-7 · 2-33C526-70 · +3 more
  21. O-RING NSN 5331-00-103-2008 P/N AS3208-10 · 5331PL0140342 · 10117049 · AS3208-10 · +3 more
  22. O-RING NSN 5331-00-103-1557 P/N AS3209-116 · 5331PL0140388 · 10383432 · Z00.N7423510031 · +3 more
  23. O-RING NSN 5331-00-102-3112 P/N MIL-P-25732 · 5-103N304-75 · 5-103 N304-75 · NM756 A83461-5-103 · +3 more
  24. O-RING NSN 5331-00-097-5071 P/N R26286 · R26286 · 16016380J · R26286 · +3 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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