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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 5331-01-372-2304 P/N AS568-914/M2AA815A13EA14F17 · AS568 · AS568-914/M2AA815A13F17EA14 · 3-914E540-80 · +2 more
  2. O-RING NSN 5331-01-370-5723 P/N US 71179 ITEM H71179-1-7 · H71179-1-7 · US 71179 ITEM H71179-1-7 · H71179-1-7 · +2 more
  3. O-RING NSN 5331-01-368-9955 P/N 0912100-14 · NAS1612-4 · NAS1602-904 · NAS1612-4ES · +2 more
  4. O-RING NSN 5331-01-367-8209 P/N 690279 REV A ITEM 7 · MS28775-386 · MS28775-386 · MS28775-386 · +2 more
  5. O-RING NSN 5331-01-365-8124 P/N AS3209-250 · 99-373-0147 · 99-373-0147 · AS43013-250 · +2 more
  6. O-RING NSN 5331-01-364-7094 P/N AS3209-131 · 5331PL0212486 · 10117191 · AS43013-131 · +2 more
  7. O-RING NSN 5331-01-364-1612 P/N M83248/2-344 · MIL-R-83248/2 · MIL-R-83248 · 5331PL1284812 · +2 more
  8. O-RING NSN 5331-01-363-8682 P/N M83461-1-155 · M83461-1-155 · M83461/1-155 · SAE-AS83461/1 · +2 more
  9. O-RING NSN 5331-01-363-8570 P/N C-1065 · 12346C18A · 1246C18A · C-1065 · +2 more
  10. O-RING NSN 5331-01-363-4890 P/N MS28778-10 · MIL-P-5510 · 5330PL0970307 · 5331PL2186048 · +2 more
  11. O-RING NSN 5331-01-360-6017 P/N 10025320 · 5HA117 · 29503383 · 5HA117 · +2 more
  12. O-RING NSN 5331-01-360-5357 P/N 27767 · 27767B · RAQ0239 · 710118-06 · +2 more
  13. O-RING NSN 5331-01-359-4324 P/N C0100CK · MODEL 1000 IT3D · 2-009 N674-70 · 1N141300058 · +2 more
  14. O-RING NSN 5331-01-358-8211 P/N 193222 · 912135 PIECE 16 · 77094 · 77094 · +2 more
  15. O-RING NSN 5331-01-356-5028 P/N 3117-3495-000 SEQ 6 · 0007-2502-830 · 0007-2502-830 · 0007-2502-830 · +2 more
  16. O-RING NSN 5331-01-356-4522 P/N 501-6398094 ITEM 34 · MIL-P-83248/1-213 · MIL-R-83248/1 · M83248/1-213CP · +2 more
  17. O-RING NSN 5331-01-355-4075 P/N M83461/1-156 · AMS-P-83461 · M83461/1-156 · M83461/1-156 · +2 more
  18. O-RING NSN 5331-01-354-4160 P/N V75502787 · SA75502787 · 2GE496 · 2GE496 · +2 more
  19. O-RING NSN 5331-01-354-0236 P/N MS9386-132 · 5331PL0211007 · MS9386-132 · 10117188 · +2 more
  20. O-RING NSN 5331-01-351-5544 P/N 6V-3250 · 4185948 · 6V-3250 · 6V-3250 · +2 more
  21. O-RING NSN 5331-01-351-5126 P/N 7L-6580 · 7HA962 · 7HA962 · 7L-6580 · +2 more
  22. O-RING NSN 5331-01-351-2736 P/N 6I-4545 · 6I-4545 · 6I-4545 · 8T0115 · +2 more
  23. O-RING NSN 5331-01-351-0978 P/N AS568-212/AMS-R-83285GR80 · MS33666-212 · MIL-R-83285GR80/MS33666-212 · AMS-R-83285GR80/AS568-212 · +2 more
  24. O-RING NSN 5331-01-350-6007 P/N SA75500858 · 10003641 · E75500858 · 2HE502 · +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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