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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 5331-00-926-4334 P/N J228P022 · 10183622 · J228P022 · J228P022 · +1 more
  2. O-RING NSN 5331-00-925-4334 P/N 221-8307 · AS568-221 · 5655PC · 0221-8307 · +1 more
  3. O-RING NSN 5331-00-924-7758 P/N AS3582-271 · MIL-STD-413 · MS9068-271 · SAE-AS3582 · +1 more
  4. O-RING NSN 5331-00-923-4403 P/N 2-157-4282-70 · 58901A008157 · 5-157 N4771-70 · 2-157-47-071 · +1 more
  5. O-RING NSN 5331-00-922-5957 P/N 5331PL0140363 · ST3001-016 · 10117130 · Z00.N7423510023 · +1 more
  6. O-RING NSN 5331-00-922-5856 P/N 5331PL0212452 · Z00.N7423510032 · 946.91.27.711 · ST3001-011 · +1 more
  7. O-RING NSN 5331-00-922-5854 P/N 8061505 · 7540804 · 8061505 · 10154082 · +1 more
  8. O-RING NSN 5331-00-922-5276 P/N 326967R2 · 326967R1 · 326967R2 · 326967R2 · +1 more
  9. O-RING NSN 5331-00-922-3469 P/N APR568-011 · 2-011 N508-75 · 2-11N508-70 · 2-11N508-7 · +1 more
  10. O-RING NSN 5331-00-922-3461 P/N S8057BH226 · S8057BH226 · S80057BH226 · S8057BH226 · +1 more
  11. O-RING NSN 5331-00-922-3272 P/N S8990-569 · S8990-569 · S8990-569 · S8990-569P · +1 more
  12. O-RING NSN 5331-00-916-9801 P/N MIL-R-83248 TY 1 CL 2 · MIL-R-83248 TY 1 CL 2 · 1003426-2 · 5-137 V709-9 · +1 more
  13. O-RING NSN 5331-00-916-8004 P/N 10-142-90 · K210889 · 210889 · 210889 · +1 more
  14. O-RING NSN 5331-00-916-6645 P/N ARP568-010MILS6855CL1GR80 · MIL-R-6855CL 1 GR 80 · J200AC10 · 4400181-0100 · +1 more
  15. O-RING NSN 5331-00-916-5061 P/N AS3551-139 · MS9241-139 · MS9241-139ES · AS3551-139 · +1 more
  16. O-RING NSN 5331-00-914-8758 P/N AAS3551-234 · MS9241-234 · SAE-AS3551 · AS3551-234 · +1 more
  17. O-RING NSN 5331-00-914-5824 P/N ASTM D2000-03A · AS568-006 · MILSTD417GRSB610A1B1C2F2 · AS568-006 · +1 more
  18. O-RING NSN 5331-00-913-9897 P/N 403163 · 403163 · 403163 · 403163 · +1 more
  19. O-RING NSN 5331-00-913-8878 P/N 8M4432 · IPD8M4432 · 8M-4432 · 2-215S1032-70 · +1 more
  20. O-RING NSN 5331-00-913-8872 P/N 8M5248-00 · S1199 2-216 · 2-216S1199-70 · 2-216S1032-70 · +1 more
  21. O-RING NSN 5331-00-913-8120 P/N 8MP · 8M5254-00 · 8M-5254 · 2-218S1032-70 · +1 more
  22. O-RING NSN 5331-00-913-6058 P/N AS3581-157 · M83248/2-157 · R1312P157 · AS3581-157 · +1 more
  23. O-RING NSN 5331-00-912-2646 P/N S8171AU8 · S8171AU8 · S8171AU8 · A-A-59588B-2B50 · +1 more
  24. O-RING NSN 5331-00-909-3260 P/N 4400872-0030 · J200AC3 · 4400181-0030 · J200AV3 · +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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