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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 5331-00-956-8349 P/N 15951P · 15951P · RX88268PC27 · 15951P · +1 more
  2. O-RING NSN 5331-00-953-1884 P/N 1159H20010-138 · NAS1613 · NAS1611-138 · 5331PL2058731 · +1 more
  3. O-RING NSN 5331-00-953-0559 P/N 914-1467 · 213840 · 213840 · 213840 · +1 more
  4. O-RING NSN 5331-00-952-8006 P/N 8F-7219 · CV183378 · 2-008N851-75 · 2-008N851-75 · +1 more
  5. O-RING NSN 5331-00-952-7101 P/N AS3551-006 · 5331PL0828647 · MS9241-006 · SAE-AS3551 · +1 more
  6. O-RING NSN 5331-00-952-6616 P/N 76NC115 · AS568-115 M7BG907E034F19 · 7400-90-115 · 76NC115 · +1 more
  7. O-RING NSN 5331-00-952-5129 P/N 623015L3 · 225403 · 623015L3 · 225403 · +1 more
  8. O-RING NSN 5331-00-952-0476 P/N MS17413-021 · 3634-97-11-70 · 8554-656 · 8554-656 · +1 more
  9. O-RING NSN 5331-00-952-0100 P/N 904-1487 · 3-904 N4771-70 · 47-071 3-904 · 3-4-47-071 · +1 more
  10. O-RING NSN 5331-00-951-3231 P/N MS28775-459 · MS28775-459 · 2-459 N304-75 · MS28775-459 · +1 more
  11. O-RING NSN 5331-00-950-8217 P/N IPD2J8163 · 154101 · 215709 · 2J-8163 · +1 more
  12. O-RING NSN 5331-00-949-9240 P/N AS3582-126 · MS9068-126 · 2-126 S604-70 · SAE-AS3582 · +1 more
  13. O-RING NSN 5331-00-949-3706 P/N MS29561-426 · MS29561-426 · 48690 · SAE-AS29561 · +1 more
  14. O-RING NSN 5331-00-947-4234 P/N A-A-59588 CL 2A GR 60 · AS568-243 · F2A · 2-243S317-60 · +1 more
  15. O-RING NSN 5331-00-947-4203 P/N 69494R20 · 69494R20 · 5331PL0892343 · 69494R20 · +1 more
  16. O-RING NSN 5331-00-947-4194 P/N 69494R118 · 69494R118 · 5331PL0975174 · 69494R118 · +1 more
  17. O-RING NSN 5331-00-947-4191 P/N 2MP3801-3 · 69494R212 · 69494R212 · 69494R212 · +1 more
  18. O-RING NSN 5331-00-947-2198 P/N AS3551-247 · MS9241-247 · 5331009472198 · AS3551-247 · +1 more
  19. O-RING NSN 5331-00-947-2159 P/N 69494R119 · 69494R119 · 5331PL1013255 · 69494R119 · +1 more
  20. O-RING NSN 5331-00-947-2158 P/N 69494R223 · 69494R223 · 5331PL0805710 · 69494R223 · +1 more
  21. O-RING NSN 5331-00-947-2157 P/N 69494-R-2666 · 69494R266 · 69494R266 · 69494R266 · +1 more
  22. O-RING NSN 5331-00-947-0094 P/N 69494R13 · 69494R13 · 5331PL0832422 · 69494R13 · +1 more
  23. O-RING NSN 5331-00-947-0093 P/N 69494R132 · 69494R132 · 5331PL0832404 · 69494R132 · +1 more
  24. O-RING NSN 5331-00-947-0091 P/N 69494R19 · 69494R19 · 5331PL1013251 · 69494R19 · +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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