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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 5331-00-585-1064 P/N PRP902-7-142-70 · 5359-0012 · 5R17-7 · 61245-2-12 · +35 more
  2. O-RING NSN 5331-00-291-3077 P/N MS29513-238 · PRP909-16 · 7866-238 · 60-P-31-238 · +35 more
  3. O-RING NSN 5331-00-263-8029 P/N 7866-5 · 7866-05 · S8316U5 · 5661-0905 · +35 more
  4. O-RING NSN 5331-00-251-9364 P/N 7866-232 · GS570EM232 · PX1775-233 · 10V60-141-232 · +35 more
  5. O-RING NSN 5331-00-250-0236 P/N MS29513-024 · 024-7866 · 7866-024 · 876296-00 · +35 more
  6. O-RING NSN 5331-00-173-8142 P/N 275744118 · 274485PC21 · 30123D · 007423 · +35 more
  7. O-RING NSN 5331-00-167-5119 P/N AS3209-131 · 751-6402202 FIND 14 · 751-6402201 FINE 14 · 751-6402201-14 · +35 more
  8. O-RING NSN 5331-00-166-0966 P/N 7C0MP17107 · 2-7C0MP77-545 · 2-007COMPV747 · 101540-007 · +35 more
  9. O-RING NSN 5331-00-165-1962 P/N AS3209-244 · AS568-244MILR83248CLASS1 · AMS7276 · M83248/1-244 · +35 more
  10. O-RING NSN 5331-00-165-1961 P/N WE-00588-40U ITEM 20 · 2-243 VITON · ST1050-243 · ST1050-0243 · +35 more
  11. O-RING NSN 5331-00-165-1960 P/N 242-19357 · 0000-305808 · D49445-VEN ITEM NO 13 · 14KP353 · +35 more
  12. O-RING NSN 5331-00-165-1959 P/N 845-7285243 ITEM 25 · 10510547 · M832248/1-241 · 3315186 ITEM 10 · +35 more
  13. O-RING NSN 5331-00-165-1943 P/N 085450 ITEM 44 · AS3209-217 · 085500 · 845-7286652 ITEM 34 · +35 more
  14. O-RING NSN 5331-01-005-0508 P/N 4680-135 · M83248/1-135 · A12227 ITEM 32 · AHA0100-163-001 · +34 more
  15. O-RING NSN 5331-00-599-2537 P/N 7866-223 · GS570EM223 · GS570EM223-C-69 · TF3959-1 · +34 more
  16. O-RING NSN 5331-00-265-1076 P/N 2-126 N602-70 · 7866-126 · GS570EM126 · 60-P-31-126 · +34 more
  17. O-RING NSN 5331-00-250-0226 P/N 7866-212 · 212-7866 · 20A11CM212 · 488546P1 · +34 more
  18. O-RING NSN 5331-00-250-0222 P/N 7866-117 · 60-P-31-117 · 2306-17 · 9-1548-105 · +34 more
  19. O-RING NSN 5331-00-248-3849 P/N 7866-019 · 7866-19 · 60-P-31-019 · 500-5PC19 · +34 more
  20. O-RING NSN 5331-00-248-3845 P/N MS29513-016 · MS29513-016 · 2008129 · GS570EM016 · +34 more
  21. O-RING NSN 5331-00-194-1670 P/N M83248/1-033 · S8057BF201 · 2-033 VITON · M83248/1-033 · +34 more
  22. O-RING NSN 5331-00-187-3638 P/N 501238 · W3714-4 · 14057P11 · G366-17 · +34 more
  23. O-RING NSN 5331-00-165-1947 P/N M83248/1-229 · 1000601-II-18-28 · 1000601 PIECE 28 · 005-0020-51 · +34 more
  24. O-RING NSN 5331-00-165-1942 P/N AS3209-216 · 6640219 FIND 12 · AMS7276 · AS3209-216 · +34 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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