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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 5331-00-079-9759 P/N 9522828KT · 9522828 · 5331PL1186738 · 8532828 · +1 more
  2. O-RING NSN 5331-00-079-6283 P/N 714027 · 714027 · 2-035PSI-30-5 · 76NG035 · +1 more
  3. O-RING NSN 5331-00-078-7890 P/N L-24074 PIECE 2 · AS568-216 · MILG21610 · 323-1-024 · +1 more
  4. O-RING NSN 5331-00-078-4701 P/N 274247 · 274247 · 274247 · 274247 · +1 more
  5. O-RING NSN 5331-00-078-0304 P/N 35-741 · XA-744AW · 35-741 · XA-744AW · +1 more
  6. O-RING NSN 5331-00-078-0265 P/N 35-753 · XA-744AV · XA-744AV · 35-753 · +1 more
  7. O-RING NSN 5331-00-076-1681 P/N N90-81618 · 0XN90-81618 · MIL-R-83248/1-2 13 · N90-81618CP · +1 more
  8. O-RING NSN 5331-00-075-3266 P/N 799 · 12AL-233 · 799 · 12AL233 · +1 more
  9. O-RING NSN 5331-00-071-8735 P/N 78264 · Z053078264 · AS568BNQ-034 SILICONE · 5330000718735 · +1 more
  10. O-RING NSN 5331-00-070-1999 P/N 041-7377 · R26110-04108 · 1JA3368H37 · 15296221000 · +1 more
  11. O-RING NSN 5331-00-069-9134 P/N 2005N-7 · 114849-00 · A005 · A-005 · +1 more
  12. O-RING NSN 5331-00-068-0338 P/N 112-4086 · N0014000112 · D14000-112 · 14000-112 · +1 more
  13. O-RING NSN 5331-00-067-9995 P/N AS3551-264 · MS9241-264 · MS9241-264 · AS3551-264 · +1 more
  14. O-RING NSN 5331-00-067-3337 P/N 44A256667P3 · 8007 · 5427-2 · 8007 · +1 more
  15. O-RING NSN 5331-00-066-6093 P/N 501-65-5PC10CL · 77649-21X5PC10CL · 2620-607X32PC410X · 2620-607X32REVF EBCN54-66-0908 · +1 more
  16. O-RING NSN 5331-00-066-4552 P/N R1310P017 · R1310P017 · R1310P017 · R1310P017 · +1 more
  17. O-RING NSN 5331-00-065-4929 P/N 292965R1 · 3042933R1 · AS568-437 · 292965R1 · +1 more
  18. O-RING NSN 5331-00-065-0234 P/N AS568-904 · ABS3303 · 205-160-904 · ABS3303 · +1 more
  19. O-RING NSN 5331-00-064-4354 P/N AMS7271 · AS568-027 · 29650SA · AS568-027 · +1 more
  20. O-RING NSN 5331-00-061-8422 P/N 303347 · 303347 · 303347 · 10010192 · +1 more
  21. O-RING NSN 5331-00-060-0554 P/N S8057AY104 · S8057AY104 · MIL-STD-130 · MIL-STD-129 · +1 more
  22. O-RING NSN 5331-00-059-8831 P/N AS3551-211 · MS9241-211 · MS9241-211ES · SAE-AS3551 · +1 more
  23. O-RING NSN 5331-00-059-7503 P/N AS3551-218 · 5331PL0970212 · MS9241-218 · AS3551-218 · +1 more
  24. O-RING NSN 5331-00-057-4376 P/N 55D7-040 · 2-040B591-8 · 2-040B591-8 · 2-040B591-8 · +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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