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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 5331-00-983-8196 P/N AS568-112 · AS568-112AMS3241 · AS568-112AMS3242 · AS568-112AMS3242CP · +1 more
  2. O-RING NSN 5331-00-983-0785 P/N 2-130 S613-60 · 2-130S613-60 · 2-130S613-6 · 2-130S418-6 · +1 more
  3. O-RING NSN 5331-00-981-3738 P/N AS3582-263 · 418048-263 · MS9068-263 · SAE-AS3582 · +1 more
  4. O-RING NSN 5331-00-981-3733 P/N AS3582-124 · MS9068-124 · 2-124 S604-70 · SAE-AS3582 · +1 more
  5. O-RING NSN 5331-00-977-3585 P/N 97150CP · 1580-13CP · 1580-13 · 97150 · +1 more
  6. O-RING NSN 5331-00-973-8621 P/N AS3551-018 · MS9241-018 · 1557052-18 · SAE-AS3551 · +1 more
  7. O-RING NSN 5331-00-972-9902 P/N 116-631-70 · J200AB116 · 222234PC66 · 4400871-1160 · +1 more
  8. O-RING NSN 5331-00-972-7010 P/N 99136-111-15 · 99136-111-15 · NAS1611-111 · NAS1613 · +1 more
  9. O-RING NSN 5331-00-972-5392 P/N 232871R1 · 232871R1 · 902835 · 34745 · +1 more
  10. O-RING NSN 5331-00-971-7969 P/N 2-115C147-7 · 2-1150UT0FC147-7 · 2-115C147-7 · 2-115C873-70 · +1 more
  11. O-RING NSN 5331-00-970-3461 P/N V1-205 · 10099853 · 68061A · 68061A · +1 more
  12. O-RING NSN 5331-00-965-8361 P/N 476147 · 476147 · 476147 · 476147 · +1 more
  13. O-RING NSN 5331-00-965-6474 P/N 69494R123 · 69494R123 · 5331PL0979450 · 69494R123 · +1 more
  14. O-RING NSN 5331-00-965-0662 P/N AS568B-279 · MILG22050 · 2-279 · 200-279-4470 · +1 more
  15. O-RING NSN 5331-00-964-4007 P/N 2-20C0MP76-128 · SIZE2-20 · 2-20C0MP76-128 · 2-020S613-60 · +1 more
  16. O-RING NSN 5331-00-964-3381 P/N A-A-59588 CL2B GR80 · AS568-906 · MIL-STD-413 · AS568-906 · +1 more
  17. O-RING NSN 5331-00-959-8005 P/N 1003426-3 · 1003426-3 · 1003426-3 · 0018-5035 V709-9 · +1 more
  18. O-RING NSN 5331-00-959-8002 P/N AS3582-278 · 568278-6 · MS9068-278 · AS3582-278 · +1 more
  19. O-RING NSN 5331-00-959-5100 P/N 2&010 · 2-010 L308-80 · L0308 2-010 · 2-10L308-8 · +1 more
  20. O-RING NSN 5331-00-958-9120 P/N 902-3-4-631-70 · 11-005-7100-70 · 4400161-0050 · J200AB5 · +1 more
  21. O-RING NSN 5331-00-958-6643 P/N AP5412-2 · AP5412-2 · 2-132 V747-75 · 2-132V747-75 · +1 more
  22. O-RING NSN 5331-00-958-4591 P/N HS3113D28 · A28TH1058 · 10117132 · A28TH1058 · +1 more
  23. O-RING NSN 5331-00-958-3087 P/N NAS1593-115 · 2-115-77-545 · 2-115 V747-75 · 2-115 V747-75 · +1 more
  24. O-RING NSN 5331-00-957-4973 P/N 5665836 · 186483H1 · 5665836 · 5665836 · +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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