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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 5331-00-121-2732 P/N 5430-19 · AS568-241MIL-G- 21569 CL 1 · 2-241N674-70 · 07-FC-032-P · +4 more
  2. O-RING NSN 5331-00-118-9090 P/N AS3582-162 · 2-162S604-70 · MS9068-162 · 58901A007162 · +4 more
  3. O-RING NSN 5331-00-116-1418 P/N DF330645 FIND 10 · 211038474 · AS568-224/M2AA810A13A14F17 · AS568-224MIL-G-22050 GR 1 · +4 more
  4. O-RING NSN 5331-00-114-2059 P/N 2620-906X10PC62 · SS845-2110225PI · ARP568-007MILG23652TYPE2 · AS568-007 · +4 more
  5. O-RING NSN 5331-00-113-6248 P/N PRP568-106-4024-65 · AS3578-106 · 5331PL2228908 · MS9021-106 · +4 more
  6. O-RING NSN 5331-00-109-0111 P/N 3-916C557-70 · 3-916C557-7 · 17-2-0693-5 · 568-916C557-7 · +4 more
  7. O-RING NSN 5331-00-103-2001 P/N AS3208-20 · 5331PL0140344 · AS3208-20 · AS3208-20 · +4 more
  8. O-RING NSN 5331-00-103-1711 P/N AS3209-122 · MILR83248 · 5331PL0140397 · 10117043 · +4 more
  9. O-RING NSN 5331-00-103-1512 P/N AS3209-214 · 5331PL0968136 · AS3209-214 · 10117042 · +4 more
  10. O-RING NSN 5331-00-103-1511 P/N AS3209-151 · AS3209-151 · AS3209-151 · AS3209-151 · +4 more
  11. O-RING NSN 5331-00-102-3132 P/N 2-008E515-80 · 2-008E515-8 · 2508936 · 2508936 · +4 more
  12. O-RING NSN 5331-00-092-6720 P/N PRP568-049-4024-65 · AS3578-049 · MS9021-049 · 5330000926720 · +4 more
  13. O-RING NSN 5331-00-089-6473 P/N 69890-155 · PRP568-142-4024-25 · AS3578-142 · MS9021-142 · +4 more
  14. O-RING NSN 5331-00-086-8666 P/N BVAM502-1PC12 · AS568-127 · ARP568-127 · ARP568-129 · +4 more
  15. O-RING NSN 5331-00-082-0567 P/N W247462PC456D · 20A11CMSSPEC · 20A11CMSSPEC · 20A11CMSSPEC · +4 more
  16. O-RING NSN 5331-00-080-7911 P/N MS29561-149 · MS29561-149 · MS29561-149 · 335741-149 · +4 more
  17. O-RING NSN 5331-00-080-0811 P/N AMS-R-7362 · MS29561-264 · MS29561-264 · 10172776 · +4 more
  18. O-RING NSN 5331-00-078-7295 P/N 2824 · 861DPC9 · 862DPC9 · 2824 · +4 more
  19. O-RING NSN 5331-00-076-3752 P/N A180-031 · 0001-0028R · 95830031 · ARP568-031MILP5 516 · +4 more
  20. O-RING NSN 5331-00-075-3263 P/N 2-267C147-7 · 028-13165-000 · 364-48575-000 REV D ITEM 74 · 0568-267-3110-70 · +4 more
  21. O-RING NSN 5331-00-074-2281 P/N 2-246 · 20A11EM246 · 4849B · 20A11EM246 · +4 more
  22. O-RING NSN 5331-00-073-8801 P/N R1309P027 · 2620-901PC28-3-4IN · 2620-901PC19 · 2620-901PC19 · +4 more
  23. O-RING NSN 5331-00-072-8353 P/N AMS3303 · AS568-908 · 3-908 S613-60 · 3-908 S613-6 · +4 more
  24. O-RING NSN 5331-00-071-8000 P/N L-3006-22 · 22 250 P11 · K-11026 · 16387 · +4 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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