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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 5331-00-369-2785 P/N MILR25988 · MIL-DTL-25988/1 · M25988/1-111 · M25988-1-111ES · +2 more
  2. O-RING NSN 5331-00-368-7516 P/N J228P010 · J2288P010 · J228P010 · 10159975 · +2 more
  3. O-RING NSN 5331-00-368-5056 P/N C160395 · 66G342-8 · 100T089 · 66G342-8 · +2 more
  4. O-RING NSN 5331-00-360-2516 P/N 317S26 · 67G190-26 · 69890-26 · 67G190-26 · +2 more
  5. O-RING NSN 5331-00-354-6509 P/N 17103P11 · 64-82 · 10513782 · 15006 · +2 more
  6. O-RING NSN 5331-00-352-0426 P/N S9413-154 · S9413-154 · S9413-154 · S9413-154 · +2 more
  7. O-RING NSN 5331-00-338-3737 P/N AS586B-916 · ARP568-916MILG23652TY2 · 5331PL1244986 · ARP568-916MILG2 3652TY11 · +2 more
  8. O-RING NSN 5331-00-338-1302 P/N M83248/2-337 · MIL-R-83248/2 · MILR83248 · SAE AS3581-337 · +2 more
  9. O-RING NSN 5331-00-325-5052 P/N 157-195 · 6F711 · 6F711 · 6F711 · +2 more
  10. O-RING NSN 5331-00-323-2816 P/N 1583636-51 · 1583636-51 · L0677 5-252 · LM100 5-252 · +2 more
  11. O-RING NSN 5331-00-323-2113 P/N 227-40/1903-70 · 966006-501C · 955385-1 · 5-194L1120-70 · +2 more
  12. O-RING NSN 5331-00-311-9520 P/N 262399 · ARP568-220 · 560-105 · PRP568-220MILR2 5897 · +2 more
  13. O-RING NSN 5331-00-304-8908 P/N 25715 · 118-89-00-00 · 1200-118-18 · 10362 · +2 more
  14. O-RING NSN 5331-00-304-8714 P/N 16606A54-102 · MIL-DTL-25988/3 · M25988/3-026 · MIL-R-25988/3 · +2 more
  15. O-RING NSN 5331-00-302-9952 P/N NAS1611-017A · NAS1613 · NAS1611-017 · 5331PL0949035 · +2 more
  16. O-RING NSN 5331-00-302-9703 P/N 624VLK0289E · P49708-11 · 532268 · P49708-11 · +2 more
  17. O-RING NSN 5331-00-298-6197 P/N 7866-221 · 457-60-221 · 21302 · 1793-221 · +2 more
  18. O-RING NSN 5331-00-298-5859 P/N 5330-221-31 · 032-02102-000 · 54MAD1343N3REVCPC16GASKET · 54MAD1343N8REVAPC9 · +2 more
  19. O-RING NSN 5331-00-297-5408 P/N AS 568-010 · MIL-R-3533 · 20046PC16 · AS 568-010 · +2 more
  20. O-RING NSN 5331-00-294-9718 P/N 334-11647 · PRP334-11647 · M25988/1-334 · MIL-R-25988 · +2 more
  21. O-RING NSN 5331-00-292-7559 P/N 7866-233 · PRP568-233-363-70 · 435-11-0224 · 2648-233 · +2 more
  22. O-RING NSN 5331-00-292-7545 P/N 725227-1 · XF729396DPC9 · XE723685GPC9 · 6505-3114930PC9 · +2 more
  23. O-RING NSN 5331-00-292-0639 P/N C498ITEM3 · EE38-37 · EE38PC37 · 575-9600-1444256REVAPC37 · +2 more
  24. O-RING NSN 5331-00-291-7382 P/N AS3569-260 · AN124020 · AN124020 · AN124020 · +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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