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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 5331-00-103-1750 P/N AS3209-115 · 5331PL0212456 · 10361280 · Z00.N7423510012TBM · +5 more
  2. O-RING NSN 5331-00-102-6499 P/N A06689.027.366 · A6689.027.142 · A6689-027-142 · 20317 FIND 31 · +5 more
  3. O-RING NSN 5331-00-099-8041 P/N GS570J2H150 · CM1-150-B46 · 01-435-0366-4 3M4183A ITEM 109 · CI-0150 · +5 more
  4. O-RING NSN 5331-00-097-6409 P/N E3650 3/4IN PC 16 · B398120-72 · AS568-120 · 568120-2 · +5 more
  5. O-RING NSN 5331-00-089-9981 P/N AS3582-031 · 5331PL1689796 · 5331PL0652335 · MS9068-031 · +5 more
  6. O-RING NSN 5331-00-085-3494 P/N 17287P11 · 2407673 · 10510501 · 624VLK0365C · +5 more
  7. O-RING NSN 5331-00-082-3496 P/N 137492-4 · AS3582-325 · MS9068-325 · 2-325 S424-70 · +5 more
  8. O-RING NSN 5331-00-078-4706 P/N 9219363 · 9118261 · 9118261 · 68-280 · +5 more
  9. O-RING NSN 5331-00-078-3592 P/N AS3582-130 · MS9068-130 · S8057R159 · AS3582-130 · +5 more
  10. O-RING NSN 5331-00-068-4358 P/N AS3582-136 · MS9068-136 · 2-136 S604-70 · 2-136 S604-70 · +5 more
  11. O-RING NSN 5331-00-064-4641 P/N MS29561-265 · AS29561 · 2-265-47-071 · 2-265COMPOUNDNU · +5 more
  12. O-RING NSN 5331-00-060-4656 P/N 845-4690477ITEMF20 · 845-2181262TABLE17 · 5330PL0932526 · 845-2181262, TABLE 17 · +5 more
  13. O-RING NSN 5331-00-060-2682 P/N 318S29 · PRP568-251-4024-65 · AS3578-251 · 5331PL2242887 · +5 more
  14. O-RING NSN 5331-00-060-0602 P/N PRP568-038-4024-65 · AS3578-038 · MS9021-038 · MS9021-038 · +5 more
  15. O-RING NSN 5331-00-057-4089 P/N 028-08035 · 02808035000 · MS28778C-8 · ARP568-908MILP5 516B · +5 more
  16. O-RING NSN 5331-00-054-6972 P/N 1918744 · 1918744 · 233590-248 · 222505 · +5 more
  17. O-RING NSN 5331-00-054-6925 P/N MIL-DTL-5516 · 5330000546925 · 546925 · 546925 · +5 more
  18. O-RING NSN 5331-00-054-3688 P/N 0XN90-81609 · V3D10025 PIECE 16 · A180-111 · V3D10075PC42CP · +5 more
  19. O-RING NSN 5331-00-051-7161 P/N S8990-559 · S8990-559 · S8990-559 · S8990-559 · +5 more
  20. O-RING NSN 5331-00-044-5275 P/N AS568-220 MIL-G-21610 TY1 · ARP568-220MILG21610TY1 · 2-220N683-70 · 633-8282-53 · +5 more
  21. O-RING NSN 5331-00-001-6681 P/N NAS1594-153 · AS3581-153 · AMS7259 · MILR-83248/2 · +5 more
  22. O-RING NSN 5331-00-001-4811 P/N AS3582-210 · 5331PL0972540 · MS9068-210 · 2-210 S604-70 · +5 more
  23. O-RING NSN 5331-01-736-4702 P/N 8836464 · 8842249 · 593-8842249-14 · 593-8836464-14 · +4 more
  24. O-RING NSN 5331-01-736-2701 P/N 8834149 · 8842249 · 593-8834149-16 · 593-8842249-16 · +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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