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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 5331-00-097-2602 P/N BA702132PCALL · 575-6709-144181REVAPC28 · 571-6202-1301776REVALINE976 · 575-6709-1443532REVAPC46 · +3 more
  2. O-RING NSN 5331-00-097-2600 P/N 575-6709-1443528REVAPC5 · T1-6400-1286117REVCLINE348 · T1-6702-1286143REVCPC73 · MIL-P-5516C · +3 more
  3. O-RING NSN 5331-00-087-8528 P/N A-248 · 2-248 · DBA2-248 · 2-248 E540-80 · +3 more
  4. O-RING NSN 5331-00-082-0568 P/N W247462PC456A · 20A11C · 20A11C · 20A11C · +3 more
  5. O-RING NSN 5331-00-081-9301 P/N 31-332 · 1355-908 · 2-300-158-01 · 2-300-158-01 · +3 more
  6. O-RING NSN 5331-00-079-6048 P/N AS29561-239 · 5331PL0808700 · MS29561-239 · MS29561-239 · +3 more
  7. O-RING NSN 5331-00-079-2672 P/N MS29561-126 · MS29561-126 · 335741-126 · MS29561-126 · +3 more
  8. O-RING NSN 5331-00-078-7300 P/N 863DPC37 · 864DPC37 · 2817-00 · 2817 · +3 more
  9. O-RING NSN 5331-00-072-8352 P/N 3-12S418-6 · 3-912S0613-60 · 3-912 S613-60 · 3-912S613-60 · +3 more
  10. O-RING NSN 5331-00-070-6521 P/N G68-93 · G68-93 · G68-93 · G68-93 · +3 more
  11. O-RING NSN 5331-00-070-1903 P/N 610412C1 · 610412C1 · ARP568-247 · 297060R1 · +3 more
  12. O-RING NSN 5331-00-069-6424 P/N MS29561-039 · MS29561-039 · 2-039 N4771-70 · 2-39MILR7362TYPE1COMPA · +3 more
  13. O-RING NSN 5331-00-067-6956 P/N S8057AG186 · S8057AG186 · S8057AE11 · S8057AG186 · +3 more
  14. O-RING NSN 5331-00-065-4975 P/N 610411C1 · 610411C1 · AS3551-238 · 610411C1 · +3 more
  15. O-RING NSN 5331-00-065-4828 P/N 347360R1 · 346798R1 · 347360R1 · AS568B-152 · +3 more
  16. O-RING NSN 5331-00-061-8426 P/N 305123 · 305123 · 305123 · 305123 · +3 more
  17. O-RING NSN 5331-00-061-2724 P/N MS29561-128 · MS29561-128 · MS29561-128 · MS29561-128 · +3 more
  18. O-RING NSN 5331-00-059-6545 P/N AS3551-223 · 5331PL0970199 · 5331PL2072633 · MS9241-223 · +3 more
  19. O-RING NSN 5331-00-057-8463 P/N 457356 · 24850-12 · 457356 · 457356 · +3 more
  20. O-RING NSN 5331-00-054-8546 P/N AS3582-268 · 6254-357-6 · MS9068-268 · 2-268S604-70 · +3 more
  21. O-RING NSN 5331-00-052-1853 P/N GA 1129-2 · GA1129-2 · GA1129-2 · GA100067 · +3 more
  22. O-RING NSN 5331-00-045-4559 P/N AS3551-233 · 5331PL0144157 · MS9241-233 · MS29561-233 · +3 more
  23. O-RING NSN 5331-00-040-9815 P/N 105X16L · 105X16L · 105X16L · 237-6016 · +3 more
  24. O-RING NSN 5331-00-032-4023 P/N GS570J2J240 · MIL-DTL-25988/3 · M25988/3-240 · 2-240L1223-60 · +3 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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