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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 5331-01-483-2242 P/N NAS1594-016 · AS 3581-016 · MILR83248 · AS3581-016 · +1 more
  2. O-RING NSN 5331-01-483-2241 P/N AS3569-431 · AS3569-1 · AS3569-1 · SAE-AS3569 · +1 more
  3. O-RING NSN 5331-01-482-8248 P/N MS9386-265 · 5331PL1185415 · 10117202 · SAE-AS9386 · +1 more
  4. O-RING NSN 5331-01-482-6117 P/N 028-13528-000 · 364-48756-000 ITEM 126 · AS568-168 NEOPRENE-1 · AS568-168 NEOPR ENE-1 · +1 more
  5. O-RING NSN 5331-01-481-8450 P/N 32-10990 · 032-10990-000 · 700-D-8027 ITEM 4 · 700-D-8027 ITEM 4 · +1 more
  6. O-RING NSN 5331-01-481-8442 P/N 32-10989 · 032-10989-000 · 700-D-8027 ITEM 5 · 032-10989-000 · +1 more
  7. O-RING NSN 5331-01-481-4109 P/N A9A01901-00616 · 4074T58P40 · 4074T58 · K90214 · +1 more
  8. O-RING NSN 5331-01-480-8871 P/N 4KK355 · 4KK355 · 9X-7317 · 10099837 · +1 more
  9. O-RING NSN 5331-01-480-1782 P/N M83485/1-114 · M83485/1-114 · 5331PL2213068 · 10466900 · +1 more
  10. O-RING NSN 5331-01-479-2868 P/N MIL-P-83461/1-261 · M83461/1-261 · M83461/1-261 · SAE-AS83461/1 · +1 more
  11. O-RING NSN 5331-01-479-0607 P/N 16KP113 · 16KP113 · 2-012 NBR · 2-012 N0552 · +1 more
  12. O-RING NSN 5331-01-479-0599 P/N 3541812 · 1HB220 · 3541812 · 2-021 NBR · +1 more
  13. O-RING NSN 5331-01-478-9898 P/N 3244025 · 3244025 · 5331PL1818766 · 3244025 · +1 more
  14. O-RING NSN 5331-01-478-7295 P/N 5HA35 · 23048104 · 29546161 · 5HA35 · +1 more
  15. O-RING NSN 5331-01-478-7207 P/N AS3581-211CP · M83248/2-211CP · M83248/2-211CP · AS3581-211CP · +1 more
  16. O-RING NSN 5331-01-478-3641 P/N M83461/1-028CP · M83461/1-028CP · AW180-028 · V1D10862 ITEM 13 · +1 more
  17. O-RING NSN 5331-01-478-0308 P/N 036-10214-00 · PC1156-4 · PC1156-4 · PC1156-4 · +1 more
  18. O-RING NSN 5331-01-477-7364 P/N M83485/1-139 · M83485/1-139 · M83485/1-139 · SAE-AS83485 · +1 more
  19. O-RING NSN 5331-01-477-6762 P/N 24205833 · 5715673 · 24205833 · 5331PL0758542 · +1 more
  20. O-RING NSN 5331-01-477-2831 P/N 7325823-4 · 4398597-R-78 · 585-6404842-50 · 14869112 · +1 more
  21. O-RING NSN 5331-01-476-7379 P/N LRP-96-679 · LRP-96-679 · LRP-96-679 · SYR0032 · +1 more
  22. O-RING NSN 5331-01-476-2460 P/N AS568-906/AMS3209 · 61-8662 · 61-8662 · AS568-906/AMS3209 · +1 more
  23. O-RING NSN 5331-01-476-0420 P/N 5HA209 · 29511437 · 5HA209 · 29511437 · +1 more
  24. O-RING NSN 5331-01-475-8687 P/N 10025261 · 5HA6 · 5HAA6 · 23016455 · +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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