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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 5331-00-530-3959 P/N 0B4VLA1VMS · AS568-275 · AMS-R-7362 · 2-275-47-071 · +2 more
  2. O-RING NSN 5331-00-529-9349 P/N S8990-14 · 5331PL0657025 · S8990-014 · S8990-14 · +2 more
  3. O-RING NSN 5331-00-527-7991 P/N MS9386-234 · 5331PL1730507 · MS9386-234 · MS9386-234ES · +2 more
  4. O-RING NSN 5331-00-527-7975 P/N MS9386-214 · 5331PL0657018 · MS9386-214 · MS9386-214ES · +2 more
  5. O-RING NSN 5331-00-527-7488 P/N AS3570-241 · AN123901 · AN123901 · 5065D44 · +2 more
  6. O-RING NSN 5331-00-515-4277 P/N 9522557 · 39522557 · 9522557WE · 9522557 · +2 more
  7. O-RING NSN 5331-00-513-7573 P/N 4564912 · ARP 912 · ARP568-912 · 5331PL0691022 · +2 more
  8. O-RING NSN 5331-00-506-4874 P/N H6176M · 10003381 · 5330005064874 · 70624 · +2 more
  9. O-RING NSN 5331-00-500-2925 P/N 080-49800-170 · 080-49800-170 · 080-49800-170 · 080-49800-170 · +2 more
  10. O-RING NSN 5331-00-495-2943 P/N AS568-115 · AMS 7276 · ARP568-115MILG23652TY1 · D15918-9 · +2 more
  11. O-RING NSN 5331-00-494-1879 P/N 131-7399 · A131SR8103-90 · 4400191-1310 · 2-131 N507-90 · +2 more
  12. O-RING NSN 5331-00-492-8853 P/N 333-8307 · 136J15 · 136K15 · PRP568-333-4200-70 · +2 more
  13. O-RING NSN 5331-00-490-4593 P/N M25988/1-115 · MIL-DTL-25988/1 · MILR25988 · M25988-1-115 · +2 more
  14. O-RING NSN 5331-00-480-1846 P/N M83248-1-019 · MIL-DTL-25988/1 · M25988/1-019 · MIL-R-25988/1 · +2 more
  15. O-RING NSN 5331-00-478-4446 P/N AN6230-22 · 671-00244 · AN6230-22 · N0304 2-244 · +2 more
  16. O-RING NSN 5331-00-477-2272 P/N 013-19357 · AS568-013-10V75-255E · 43-013 · 7702859 · +2 more
  17. O-RING NSN 5331-00-477-0229 P/N 5331PL0755641 · 2-133 · 701902 · C1124 2-133 · +2 more
  18. O-RING NSN 5331-00-476-7513 P/N AMS337D · AMS3337D · S8316U2 · S8316U2 · +2 more
  19. O-RING NSN 5331-00-472-3186 P/N 853-07726-000 · 633-8242-18 · 853-7726 · 853-07726-000 · +2 more
  20. O-RING NSN 5331-00-470-1843 P/N CADD5877A3 · CADD5877A · NADD5877A · ADE5877A · +2 more
  21. O-RING NSN 5331-00-465-6731 P/N 26316026-14 · 2-023-S613-60 · 26316026-14 · 10163293 · +2 more
  22. O-RING NSN 5331-00-465-6648 P/N 2-349E515-8 · 6V-5140 · EM163 2-349 · 2-349E515-8 · +2 more
  23. O-RING NSN 5331-00-464-2554 P/N 2-330E810-80 · 07A568-330E · B86002-330E · 9304232N · +2 more
  24. O-RING NSN 5331-00-463-0143 P/N 2560956-6 · 2-161N756-75 · N06742-161 · 2-161N180-7 · +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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