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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 5331-00-478-2939 P/N 866-364 · PX1775-364 · 10V60-141-364 · 457-60-364 · +11 more
  2. O-RING NSN 5331-00-447-8425 P/N 07A199-430 · GS570J2G326 · 6002-184PC26 · 07A199-326 · +11 more
  3. O-RING NSN 5331-00-425-3299 P/N 049-8307 · PRP049-8307 · 00000-0-003732 · N03732 · +11 more
  4. O-RING NSN 5331-00-417-0986 P/N 54B6781H02 · ARP568-008 · AS568-008 · 2-008C147-7 · +11 more
  5. O-RING NSN 5331-00-411-4354 P/N 7866-275 · 60-P-31-275 · PX1775-275 · 10V60-141-275 · +11 more
  6. O-RING NSN 5331-00-385-7587 P/N 2000100 · 3P-1156 · 23KP315 · 3P-1156 · +11 more
  7. O-RING NSN 5331-00-298-0253 P/N 7866-459 · PX1775-459 · 10V60-141-459 · RT253-65-459 · +11 more
  8. O-RING NSN 5331-00-298-0247 P/N 7866-435 · 60-P-31-435 · PX1775-435 · 10V60-141-435 · +11 more
  9. O-RING NSN 5331-00-291-2374 P/N 303191 · PRP902-6 · 359158R1 · 303191 · +11 more
  10. O-RING NSN 5331-00-285-9880 P/N N4779PC22 · NX14289PC22 · N12788PC22 · N21249PC16 · +11 more
  11. O-RING NSN 5331-00-265-1085 P/N 2-132N602-70 · R1307P132 · 69890-112 · MS29513-132 · +11 more
  12. O-RING NSN 5331-00-238-4708 P/N 45Z479D21 · AS568-219 · AS568-219 · 711510-4 · +11 more
  13. O-RING NSN 5331-00-235-5262 P/N AS3581-014 · ARP568-014MILG23652TY2 · M83248/2-014 · AMS3218 · +11 more
  14. O-RING NSN 5331-00-198-6188 P/N 22N456PC55 · 22N500PC55 · 51534A · 22N700PC33 · +11 more
  15. O-RING NSN 5331-00-192-9919 P/N ARP568-032MILP19468 · D654-8SV1030-10 · A6689-032-142CP · 8610 PIECE 45 · +11 more
  16. O-RING NSN 5331-00-168-1898 P/N 2-110N219-7 · AS-568-110/70BN · AS568-110 · D2000 GR M3CH714A25B34 · +11 more
  17. O-RING NSN 5331-00-167-5171 P/N M83248/2-902 · 21260-41 · 396092 · NAS1596-2 · +11 more
  18. O-RING NSN 5331-00-167-5151 P/N S9413-270 · AS3209-270 · M83248/1-270 · AMS7276G · +11 more
  19. O-RING NSN 5331-00-166-5986 P/N MS29513-027CP · AMS-P-5315A · MS29513-027 · 5331PL1216109 · +11 more
  20. O-RING NSN 5331-00-111-7407 P/N D2000-04 · AS568-222 · 5331PL0866732 · 10456418 · +11 more
  21. O-RING NSN 5331-00-108-9933 P/N 018-3238 · 2-018E515-8 · 2-018E515-80 · 568-018-E17018 · +11 more
  22. O-RING NSN 5331-00-050-1224 P/N 501224 · 0R4-13 · 6-1242-11-13 · 287-1004P13 · +11 more
  23. O-RING NSN 5331-00-042-3122 P/N 0XN90-84320 · N845SH1PC5B · N832SHIPC58 · N830SH1PC5B · +11 more
  24. O-RING NSN 5331-01-360-4764 P/N ST1946-128 · ST1946-128 · ST1946-128 · ST1946-128 · +10 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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