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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 5331-01-579-3473 P/N 26KP467 · 26KP467 · 10379374 · 26KP467 · +2 more
  2. O-RING NSN 5331-01-578-6961 P/N 26KP471 · 26KP471 · 2385080 · 10397524 · +2 more
  3. O-RING NSN 5331-01-574-8955 P/N 835A193 · M-1140-149ITEM23 · 375B015QMA · M-1140-149ITEM23 · +2 more
  4. O-RING NSN 5331-01-571-8598 P/N 4080109082 · 339-0047-000 PG42 NO. 150 · 4080109082 · 339-0047-000 PG42 NO. 150 · +2 more
  5. O-RING NSN 5331-01-568-4470 P/N 2000529 · 56AX534 · 56AM534 · 25107486 · +2 more
  6. O-RING NSN 5331-01-566-0982 P/N 12508570-001 · 12508489 · 12508570-001 · 22KP618 · +2 more
  7. O-RING NSN 5331-01-565-9994 P/N 2596642C1 · 50015 · 5331PL0819043 · S003938 · +2 more
  8. O-RING NSN 5331-01-564-9567 P/N 23KP472 · 23KP472 · 136-7227 · 136-7227 · +2 more
  9. O-RING NSN 5331-01-564-8729 P/N J515CH300X0436H · J515 · J515CH300X0436H · SAE-J515 · +2 more
  10. O-RING NSN 5331-01-564-2757 P/N J515HK183X0089H · SAE J515 HK183X0089H · HK183X0089H · SAE-J515 · +2 more
  11. O-RING NSN 5331-01-558-3339 P/N E0603 2-271 · E603-70 2-271 · 2-271 E0603-70 · 2-271 E603-7 · +2 more
  12. O-RING NSN 5331-01-558-3296 P/N 2-173 E1267-8 · E1267-80 2-173 · 2-173 E1267-80 · E1267 2-173 · +2 more
  13. O-RING NSN 5331-01-555-0205 P/N 112E1103G-1 ITEM SEQ.40 · 112E1102G-1 ITEM SEQ 40 · 003054G17G-1 · 112E1103G-1 ITEM SEQ.40 · +2 more
  14. O-RING NSN 5331-01-555-0189 P/N 0038G3083-4 · 00122E1415G-2 ITEM SEQ 20 · 00122E1415G-1 ITEM SEQ 20 · 0038G3083-4 · +2 more
  15. O-RING NSN 5331-01-555-0187 P/N 00122E1415G-1 ITEM SEQ 18 · 0038G3083-3 · 00122E1415G-2 ITEM SEQ 18 · 0038G3083-3 · +2 more
  16. O-RING NSN 5331-01-553-3689 P/N AH146558 · AH146558 · AH146558 · AH146558 · +2 more
  17. O-RING NSN 5331-01-552-6978 P/N 00652717063 · 030593-012 · 029622-001 · 00652717063 · +2 more
  18. O-RING NSN 5331-01-551-9376 P/N 30295-2000PL · 2-280V835-75 · VM128 2-280 · 2-280VM835-75 · +2 more
  19. O-RING NSN 5331-01-551-9374 P/N 30295-2000PL · 2-270V835-75 · VM128 2-270 · VM835 2-270 · +2 more
  20. O-RING NSN 5331-01-549-6466 P/N M83485/1-212 · AMS-R-83485/1-212 · M83485/1-212 · M83485/1-212 · +2 more
  21. O-RING NSN 5331-01-547-9991 P/N S9233-XX-MMA-010/LCS S7-102 #115 · 655132568 · 00655132568 · 655132568 · +2 more
  22. O-RING NSN 5331-01-547-9512 P/N S9233-XX-MMA-010/LCS SH7-161 #19 · 98605000004 · 98605000004 · 98605000004 · +2 more
  23. O-RING NSN 5331-01-547-9504 P/N S9233-XX-MMA-010/LCS SH7-161 #75 · 98605000003 · 98605000003 · 14-567-6012 · +2 more
  24. O-RING NSN 5331-01-547-9065 P/N S9233-XX-MMA-010/LCS S7-160 #221 · 98605000001 · 98605000001 · FR-98605000001 · +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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