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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 5331-01-207-5763 P/N 114876-00 · NBR 2-121 · C60111910 · 114876-00 · +1 more
  2. O-RING NSN 5331-01-207-0264 P/N MS28775-204 · 5331PL1282821 · MS28775-204 · SAE-AS28775 · +1 more
  3. O-RING NSN 5331-01-206-9697 P/N ARP568-439SAE J200 · 460V6333 · 1218-187 · ARP568-439SAE J200 · +1 more
  4. O-RING NSN 5331-01-205-9791 P/N 956000-4 · 956 000-4 · 956000 · 956 000-4 · +1 more
  5. O-RING NSN 5331-01-205-9790 P/N 813967-7 · 813967 · 813967 · 813967 · +1 more
  6. O-RING NSN 5331-01-205-9784 P/N 925094-5 · 923349.0751 · 925094-5 · 925094-5 · +1 more
  7. O-RING NSN 5331-01-205-9768 P/N G-9K-6N · 187IX-9-6N · G-9-6N · 1114 ITEM 8 · +1 more
  8. O-RING NSN 5331-01-205-4278 P/N 1355-111 · 4-587081-7 · 91624524 · 1355-111 · +1 more
  9. O-RING NSN 5331-01-205-3291 P/N 5331PL0689972 · 202-842 · AA487601 ITEM 11 · 202-842 · +1 more
  10. O-RING NSN 5331-01-204-8588 P/N E0515 2-115 · 2-115E515-80 · AV182-201ITEM1 · AV198-949 ITEM 2 · +1 more
  11. O-RING NSN 5331-01-204-8585 P/N AS568-242 · ASTMD2000-04 · GR2FK608A19E36F19Z1 · 2-242-L449-65 · +1 more
  12. O-RING NSN 5331-01-203-6549 P/N M83248/2-026 · MIL-R-83248/2 · 5331PL1282818 · M83248/2-026 · +1 more
  13. O-RING NSN 5331-01-203-3238 P/N 2CD310 · 2CD310 · AS-568-246 · 7-754-000097 · +1 more
  14. O-RING NSN 5331-01-202-6890 P/N MS9386-023 · MS9386-023 · 2-023S355-75 · MS9386-023 · +1 more
  15. O-RING NSN 5331-01-202-1035 P/N 75019 · 10512649 · 58932 · 75019 · +1 more
  16. O-RING NSN 5331-01-201-8686 P/N 320303 · 320303 · 320303 · 10010097 · +1 more
  17. O-RING NSN 5331-01-201-8612 P/N S9026J015 · S9026J015 · S9026J015 · S9026J015 · +1 more
  18. O-RING NSN 5331-01-201-8611 P/N S9026J012 · S9026J012 · S9026J012 · S9026J012 · +1 more
  19. O-RING NSN 5331-01-201-8610 P/N S9026J010 · S9026J010 · S9026J010 · S9026J010 · +1 more
  20. O-RING NSN 5331-01-201-8608 P/N S9026J008 · S9026J008 · S9026J008 · S9026J008 · +1 more
  21. O-RING NSN 5331-01-201-4606 P/N 5189-21 · 5189 FIND 21 · 68603P0Q6 · 5189-21 · +1 more
  22. O-RING NSN 5331-01-201-2039 P/N 317922 · 317922 · 317922 · 317922 · +1 more
  23. O-RING NSN 5331-01-201-0722 P/N 10-247918-39 · 10-247918-39 · 10394121 · 10-247918-39 · +1 more
  24. O-RING NSN 5331-01-200-7820 P/N 0771C0027-6 · 1213D1412 FIND 4 · 1213D1412 FIND 4 · 0771C0027-6 · +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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