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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 5331-01-425-1602 P/N 6V-3683 · 16KP253 · 16KP253 · 10076095 · +2 more
  2. O-RING NSN 5331-01-424-2653 P/N MS9967-135 · 5330PL0739798 · MS9967-135 · MS9967-135 · +2 more
  3. O-RING NSN 5331-01-424-2010 P/N 2152 2115-412 · 461414 · 21-10608 ITEM 20 · 21-10608 ITEM 20 · +2 more
  4. O-RING NSN 5331-01-424-1246 P/N 463734114.5X3(S MS1586 · 463734 · 463734114.5X3 · 22-07168 IT 8 · +2 more
  5. O-RING NSN 5331-01-424-0081 P/N 46 7582 · 21-10607 ITEM 12 · 467582 · 46 7582 · +2 more
  6. O-RING NSN 5331-01-423-0800 P/N LLH 437597 · AS568-904 (TEFLON) · AS568-904T · DNX62FF-8-16 ITEM 20 · +2 more
  7. O-RING NSN 5331-01-422-9308 P/N MS9967-118 · AS9967-118 · MS9967-118 · SAE-AS9967 · +2 more
  8. O-RING NSN 5331-01-421-8881 P/N NS 770 C NO.14 · KC004553 PIECE 14 · KC004553 NO.14 · KC004553 PIECE 14 · +2 more
  9. O-RING NSN 5331-01-421-8880 P/N KC004553 PIECE 13 · NS 770 C NO.13 · KC004553 NO.13 · NS 770 C NO.13 · +2 more
  10. O-RING NSN 5331-01-421-6382 P/N 336-190-222 · 336190222 · 470-0104 · 336190222 · +2 more
  11. O-RING NSN 5331-01-421-5005 P/N 335362 · 0335362 · 0335362 · 335362 · +2 more
  12. O-RING NSN 5331-01-419-8406 P/N 211040977 · M83485/1-216 · M83485/1-216 · 5331PL2202955 · +2 more
  13. O-RING NSN 5331-01-419-1355 P/N MS9956-10 · AS9956-10 · MS9956-10 · SAE-AS9956 · +2 more
  14. O-RING NSN 5331-01-416-2991 P/N M83461/248 · AMS-P-83461/1 · MIL-P-83461/1 · M83461/1-248 · +2 more
  15. O-RING NSN 5331-01-416-0505 P/N MS28775-326 · AS28775-326 · MIL-P-25732 · MS28775-326 · +2 more
  16. O-RING NSN 5331-01-414-1543 P/N 801-6408789 ITEM 17 · M83248/2-440 · MIL-R-83248/2 · M83248/2-440 · +2 more
  17. O-RING NSN 5331-01-414-0815 P/N 585-6406616-52 · 211059384 · M83485/1-339 · M83485/1-339 · +2 more
  18. O-RING NSN 5331-01-414-0812 P/N 6406616-54 · 211059385 · M83485/1-340 · M83485/1-340 · +2 more
  19. O-RING NSN 5331-01-411-8382 P/N B16193-1 · B16193-1 · B16193-1ES · B16193-1 · +2 more
  20. O-RING NSN 5331-01-410-8468 P/N 6355-0130 · AMS-P-5510 · MIL-P-5510 · RAR3023 · +2 more
  21. O-RING NSN 5331-01-408-1435 P/N 515772ITEM8 · C-7538/2832PC13 · 4515772ITEM8 · C-7538/2832PC13 · +2 more
  22. O-RING NSN 5331-01-399-8393 P/N 5 131 15 108 003 PC 4 · 5 131 15 108 002-5 · 3 355 8 15 101 05 · 5 131 15 108 002-5 · +2 more
  23. O-RING NSN 5331-01-398-9854 P/N 4X15491 MAEK 6 · 2MP3801-5 · 4X15490 MARK 6 · 4X15490 MARK 6CP · +2 more
  24. O-RING NSN 5331-01-398-6580 P/N ST051040BFM001 PC. NO. 6 · ST051040BFM005 PC NO 17 · ST051040BFM001 PC. NO. 17 · ST051040BFM005 PC NO 6 · +2 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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