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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 5331-01-630-7869 P/N 10-52954 · 10-52954-011 · 13-1-0763-01 · C1276 2-011 · +1 more
  2. O-RING NSN 5331-01-629-7091 P/N M22050-1-326 · M22050-1-326 · M22050-1-326 · MIL-DTL-22050 · +1 more
  3. O-RING NSN 5331-01-628-9137 P/N 7636682-5 · 70071601 · 2-020 · 2-020 - N0674 · +1 more
  4. O-RING NSN 5331-01-625-9831 P/N MS9967-227 · 5331PL2165107 · SAE-AS9967 · MS9967-227 · +1 more
  5. O-RING NSN 5331-01-625-9467 P/N MS9967-031 · 5331PL2165264 · MS9967-031 · AS9967-031 · +1 more
  6. O-RING NSN 5331-01-625-8060 P/N MS9967-145 · 5331PL2144086 · MS9967-145 · AS9967-145 · +1 more
  7. O-RING NSN 5331-01-625-8059 P/N MS9967-230 · 5331PL2165025 · MS9967-230 · AS9967-230 · +1 more
  8. O-RING NSN 5331-01-625-8057 P/N MS9967-138 · 5331PL2165245 · MS9967-138 · SAE-AS9967 · +1 more
  9. O-RING NSN 5331-01-625-8056 P/N MS9967-234 · 5331PL2165043 · SAE-AS9967 · MS9967-234 · +1 more
  10. O-RING NSN 5331-01-625-8054 P/N MS9967-027 · 5331PL2165384 · AS9967-027 · MS9967-027 · +1 more
  11. O-RING NSN 5331-01-625-8052 P/N MS9967-117 · 5331PL2144081 · AS9967-117 · MS9967-117 · +1 more
  12. O-RING NSN 5331-01-625-6334 P/N V1289-75 · 4059582 · 4347794 · 4059582 · +1 more
  13. O-RING NSN 5331-01-625-3704 P/N 501-1819 PC. NO. 6 · M83248/1-901 · MIL-R-83248/1 · SAE-AS83248/1 · +1 more
  14. O-RING NSN 5331-01-625-0702 P/N SAE J515 CH353X0472H · J515CH353X0472H · J515CH353X0472H · SAE J515 CH353X0472H · +1 more
  15. O-RING NSN 5331-01-624-9298 P/N 16-139VL · EHOMDF-400L-3W · EHOMDF-400L-3W ITEM 8 · 16-139VL · +1 more
  16. O-RING NSN 5331-01-624-8890 P/N BACP11J222 · BACP11J222 · BACP11J222 · BACP11J222 · +1 more
  17. O-RING NSN 5331-01-624-5829 P/N M30403-14 · GS570J2C14 · C2-014 R5100 · C2-014 TFE · +1 more
  18. O-RING NSN 5331-01-622-5311 P/N D2-464-1 IT 6 · D7-4062-8 PC8 · SP126-16 · SP126-16 · +1 more
  19. O-RING NSN 5331-01-621-4922 P/N MIL-G-22050GRADE3SIZEAS568-337 · PL-17581N18ITEM456M · 17580N18-456M · 13857N18-456M · +1 more
  20. O-RING NSN 5331-01-621-4914 P/N MIL-G-22050GRADE3SIZEAS568-468 · 13857N18-456C · 17580N18-456C · PL-17581N18ITEM456C · +1 more
  21. O-RING NSN 5331-01-621-4909 P/N MIL-G-22050GRADE3SIZEAS568-467 · 13857N18-456B · PL-13796N18ITEM456B · 17580N18-456B · +1 more
  22. O-RING NSN 5331-01-621-4822 P/N B-62101-013 · BACP11P13 · 060959-13 · SRC-BZ1500-13 · +1 more
  23. O-RING NSN 5331-01-620-6509 P/N 028-13562 · AS568-908 NEOPRENE-1 · AS568 · AS568-908 NEOPRENE-1 · +1 more
  24. O-RING NSN 5331-01-619-8260 P/N M83485/1-335 · 5331PL2028428 · M83485/1-335 · M83485/1-335 · +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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