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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 5331-00-827-6917 P/N MS29512-05 · MIL-P-5315 · MS29512-05CP · MS29512-5CP · +2 more
  2. O-RING NSN 5331-00-826-1176 P/N J228P017 · J228P017 · J228P017 · 10159976 · +2 more
  3. O-RING NSN 5331-00-825-8929 P/N J228P016 · J228P007 · 5331PL2178616 · J229P016 · +2 more
  4. O-RING NSN 5331-00-825-1434 P/N MIL-PRF-2765E · MIL-R-2765 1.375 ID X 0.375 WIDE · E 8981-9 · N5398PC20 · +2 more
  5. O-RING NSN 5331-00-822-3823 P/N 6755076 · 6755076 · 7711116 · 5330008223823 · +2 more
  6. O-RING NSN 5331-00-822-0717 P/N 23750-92 · AS568-348 · MAS7270 · H6764M · +2 more
  7. O-RING NSN 5331-00-821-4490 P/N 6770820 · 6770820 · 6770820 · 5331008214490 · +2 more
  8. O-RING NSN 5331-00-820-2924 P/N AMS-R-6855A · 73553-60X2PC10 · 115657175FN38 · 0-7-1-9 · +2 more
  9. O-RING NSN 5331-00-820-2691 P/N A395X13 · 520-9-0395-13 · A395-13 · 474590 · +2 more
  10. O-RING NSN 5331-00-819-4639 P/N 2111 N0674-70 · 011-8307 · MIL-STD-413B · 2-111 · +2 more
  11. O-RING NSN 5331-00-819-3849 P/N 906-16-907-70 · 042694-916 PC 1 · ARP568-916MILG22050GR1 · 3-916E688-70 · +2 more
  12. O-RING NSN 5331-00-818-8066 P/N 8902740-3 · 213-070408-00-2303 · 8902746-3 · 213-070408 · +2 more
  13. O-RING NSN 5331-00-814-0720 P/N 00695 · E515-80-112 · 2-112E515-8 · EM163 2-112 · +2 more
  14. O-RING NSN 5331-00-811-3281 P/N 258-1467 · MS29561-258 · MS29561-258 · AS568-258MIL-R- 7362 · +2 more
  15. O-RING NSN 5331-00-811-3229 P/N 299C202P002 · 299C202P2 · 299C202P2 · 299C202P002 · +2 more
  16. O-RING NSN 5331-00-810-9126 P/N 032257 · 062992 · 62992 · 602802 · +2 more
  17. O-RING NSN 5331-00-808-9974 P/N M25988/2-136 · S9412-136 · S9412-136 · S8057AV245 · +2 more
  18. O-RING NSN 5331-00-808-4331 P/N 2-9S418-6 · 10124207 · 2-009S613-60 · 2-9S418-6 · +2 more
  19. O-RING NSN 5331-00-808-0848 P/N PRP568-159-4024-25 · AS3578-159 · MS9021-159 · 0740853 · +2 more
  20. O-RING NSN 5331-00-804-8662 P/N MS29561-142 · MS29561-142 · MS29561-142 · 2-142 47071 · +2 more
  21. O-RING NSN 5331-00-801-2922 P/N 2-111 · 25696 · PRP6227-9 · MS28775-11 · +2 more
  22. O-RING NSN 5331-00-801-0894 P/N 43463 · SP100-92 · 2-016 N103-70 · 2-16N103-7 · +2 more
  23. O-RING NSN 5331-00-796-4406 P/N 51831NREVBPC69 · 217-225PC49 · 61XC33PC8 · 0104040748 · +2 more
  24. O-RING NSN 5331-00-789-8409 P/N 19713P11 · 22021-10 · 1HB7 · 22021-10 · +2 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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