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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 5331-01-550-8296 P/N R46702 · R46702 · R46702 · R46702 · +1 more
  2. O-RING NSN 5331-01-550-7372 P/N R64997 · R64997 · R64997 · R64997 · +1 more
  3. O-RING NSN 5331-01-550-6810 P/N 51M7048 · 51M7048 · 51M7048 · 51M7048 · +1 more
  4. O-RING NSN 5331-01-550-6785 P/N R6375 · R6375 · R6375 · R6375 · +1 more
  5. O-RING NSN 5331-01-550-3177 P/N U42702 · U42702 · U42702 · U42702 · +1 more
  6. O-RING NSN 5331-01-550-2866 P/N AS3581-108 · M83248/2-108 · A-10850 · AS3581-108 · +1 more
  7. O-RING NSN 5331-01-550-2163 P/N 03D-009-B13 · 03D-009-B13 · 03D-009-D01 · 03D-009-D01 ITEM 22 · +1 more
  8. O-RING NSN 5331-01-550-2155 P/N 03D-009-D01 ITEM 20 · 03D-009-B18 · 03D-009-D01 · 03D-009-D01 ITEM 20 · +1 more
  9. O-RING NSN 5331-01-550-2140 P/N 03D-009-B27 · 03D-009-B27 · 03D-009-D01 ITEM 14 · 03D-009-D01 · +1 more
  10. O-RING NSN 5331-01-550-2131 P/N 03D-009-B12 · 03D-009-D01 ITEM 13 · 03D-009-D01 · 03D-009-D01 ITEM 13 · +1 more
  11. O-RING NSN 5331-01-550-2110 P/N 03D-009-D01 ITEM 7 · 03D-009-B08 · 03D-009-D01 · 03D-009-D01 ITEM 7 · +1 more
  12. O-RING NSN 5331-01-550-2100 P/N 03D-009-D01 ITEM 6 · 03D-009-D01 ITEM 6 · 03D-009-B07 · 03D-009-B07 · +1 more
  13. O-RING NSN 5331-01-549-8786 P/N R0039998 · A 541 997 07 45 · CV155961 · A5419970745 · +1 more
  14. O-RING NSN 5331-01-549-3985 P/N AS29513-261 · MS29513-261 · MS29513-261 · AS29513-261 · +1 more
  15. O-RING NSN 5331-01-549-2474 P/N E75500845 · E75500845 · SA75500845 · AXT/SA75500845 · +1 more
  16. O-RING NSN 5331-01-548-1474 P/N AS3208-12CP · 516-5486651 ITEM F70 · M83248/1-912 · M83248/1-912CP · +1 more
  17. O-RING NSN 5331-01-548-0024 P/N S9233-XX-MMA-010/LCS S7-102 #139 · 65275.70.69 · 0065275.70.69 · 65275.70.69 · +1 more
  18. O-RING NSN 5331-01-547-9985 P/N S9233-XX-MMA-010/LCS S7-102 #107 · 655170568 · 00655170568 · 00655170568 · +1 more
  19. O-RING NSN 5331-01-547-9984 P/N S9233-XX-MMA-010/LCS S7-107 #110 · 00655056368 · 655056368 · 00655056368 · +1 more
  20. O-RING NSN 5331-01-547-9064 P/N S9233-XX-MMA-010/LCS SH7-90 #3 · 26016009701 · 26016009701 · FR-26016009701 · +1 more
  21. O-RING NSN 5331-01-547-2949 P/N A6689.226.144CP · 8616 FIND NO. 32CP · 8616 FIND NO. 32 · 06689226303 · +1 more
  22. O-RING NSN 5331-01-546-9458 P/N 2-144VM835-75 · 2-144V835-75 · 2-144VM128-75 · VM835 2-144 · +1 more
  23. O-RING NSN 5331-01-546-4926 P/N 101A710U01CP · 10A2235A-1 REV. 3 KEY 5 · 101A710U01CP · 101A710U01 · +1 more
  24. O-RING NSN 5331-01-546-1790 P/N 428-R11 · R11-4AA · O-RING · 428-R11 · +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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