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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 5331-01-265-6147 P/N MIL-R-83248/2 · M83248/2-206 · 2-206V709-90 · SAE-AS83248/2 · +1 more
  2. O-RING NSN 5331-01-265-2124 P/N 011-4087 · 15859 · C2701 · AS568-011-G42 · +1 more
  3. O-RING NSN 5331-01-264-9971 P/N 210-0657-300 · 0210-0657-300 · 17-2-0693-10 · 2-018C873-70 · +1 more
  4. O-RING NSN 5331-01-264-6130 P/N 3TD100 · 755400 · 051-702-502 · 3TD100 · +1 more
  5. O-RING NSN 5331-01-264-5933 P/N M87175/1-118 · MIL-P-87175/1 · A-118SR253-70 · 2-118F953-70 · +1 more
  6. O-RING NSN 5331-01-264-5932 P/N M87175/1-116 · MIL-P-87175/1 · A-116SR253-70 · 2-116F953-70 · +1 more
  7. O-RING NSN 5331-01-264-5927 P/N SS800-151 · SS800-151 · S800-151 · SS800-151 · +1 more
  8. O-RING NSN 5331-01-264-5924 P/N SS800-176 · SS800-176 · SS800-176 · SS900-176 · +1 more
  9. O-RING NSN 5331-01-264-5923 P/N C321-606 · C321-606 · C321-606 · C321-606 · +1 more
  10. O-RING NSN 5331-01-264-1493 P/N A286626 · MIL-G-21610 · 2-215N683-7 · 215N674-70 · +1 more
  11. O-RING NSN 5331-01-264-1154 P/N 34-13-16I.D.X35 -5-160.D.X275 · 34-13/16ID X 35 -15/160D X .275 · 0-10-3-2 · 34-13/16IDX35-15/160DX0.275 · +1 more
  12. O-RING NSN 5331-01-263-9034 P/N J228P008 · J228P008 · J228P008 · 10117182 · +1 more
  13. O-RING NSN 5331-01-260-9856 P/N MS28775-240 · MIL-P-25732 · 100-240 · MS28775-240 · +1 more
  14. O-RING NSN 5331-01-260-8952 P/N OR-904 · 2CP567 · 2CP567 · 1124510 · +1 more
  15. O-RING NSN 5331-01-258-3801 P/N 589B086TDA · 589B246AAA · 589B086TDA · 589B246AAA · +1 more
  16. O-RING NSN 5331-01-258-0875 P/N MS28775-175 · MS28775-175 · 10469649 · SAE-AS28775 · +1 more
  17. O-RING NSN 5331-01-257-3806 P/N PRP 8875070 363-70 · 414193-4 · 5-575C147-70 · C1124 5-575 · +1 more
  18. O-RING NSN 5331-01-257-2732 P/N RA12575-01 · 25184 · 28904-1 · 28904-1 · +1 more
  19. O-RING NSN 5331-01-256-0427 P/N 52-D-6012-8 · 04521-020 · 2-231 · 52-D-6012-8 · +1 more
  20. O-RING NSN 5331-01-255-9312 P/N 207934-100 · 1.130X.046 60FS · A3140643-2 · 207934-100 · +1 more
  21. O-RING NSN 5331-01-255-2567 P/N F1430R · F1430R · F1430R · F1430R · +1 more
  22. O-RING NSN 5331-01-255-1846 P/N 2730-145 ITEM 8 · 501-4555457 ITE · 501-4555457 ITEM 8 · 2730-145 ITEM 8CP · +1 more
  23. O-RING NSN 5331-01-254-2403 P/N PA1011512X08-18 · PA1011512X12-18 · PA1011512X05-18 · PA1011512X10-18 · +1 more
  24. O-RING NSN 5331-01-253-5941 P/N 703433-142 · 007407 ITEM 10 · 007407 ITEM 10 · 703433-142 · +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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