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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.

Filter

53,078 items

  1. O-RING NSN 5331-01-094-9916 P/N 218-7399 · AS568-218MIL-P-5510 · 2-218 N507-90 · 2-218N507-90 · +1 more
  2. O-RING NSN 5331-01-094-5101 P/N RR1125S · 8217B · 8217B · RR1125S · +1 more
  3. O-RING NSN 5331-01-093-9664 P/N 54-67-2462-MOD · 9MW6-1073-1 · 54-672462 · 482T07003-2 ITEM 9 · +1 more
  4. O-RING NSN 5331-01-092-5507 P/N 127-7399 · AS568-127MIL-P-5510 · 2-127 N507-90 · 2-127N507-90 · +1 more
  5. O-RING NSN 5331-01-092-5504 P/N 025-7399 · AS568-025MIL-P.5510 · 2-025 N507-90 · 2-025N507-90 · +1 more
  6. O-RING NSN 5331-01-090-7035 P/N 1386F88ITEM54-4A · 1386F88ITEM54 · 1386F88H54 · 1386F88H54 · +1 more
  7. O-RING NSN 5331-01-030-2294 P/N 0.318IDX0.035W COMPOUND 11647 · 0.318IDX0.035W COMPOUND 1393-70 · 0.318IDX0.035W COMPOUND F80 · 82005507-025 · +1 more
  8. O-RING NSN 5331-01-030-1829 P/N 0.042IDX0.042W COMPOUND 11647 · 0.042IDX0.042W COMPOUND F80 · 0.042IDX0.042W COMPOUND 1393-70 · 82005577-025 · +1 more
  9. O-RING NSN 5331-01-029-9923 P/N ARP568-230MILR25897TY1CL1 · L180-230 · ARP568-230MILR25897TY1CL1CP · L180-230CP · +1 more
  10. O-RING NSN 5331-01-029-9630 P/N NE5015-2 · 404729-2 · 404729-2 · 404729-2 · +1 more
  11. O-RING NSN 5331-01-029-2228 P/N 2502774-14 · 2502774-14 · 2502774-14 · 2502774-14 · +1 more
  12. O-RING NSN 5331-01-029-2227 P/N 2507294-48 · 2507294-48 · 2507294-48 · 2507294-48 · +1 more
  13. O-RING NSN 5331-01-029-0761 P/N S8990-015 · S8990-15 · S8990-15 · S8990-015 · +1 more
  14. O-RING NSN 5331-01-028-9351 P/N AS3578-914 · MS9020-14 · MS9024-14 · AS3578-914 · +1 more
  15. O-RING NSN 5331-01-028-0812 P/N 2632-0902 ITEM 3-3 · 54-67-3902 · 2632-0902IT4-3 · 2632-0902IT6-3A SSYF · +1 more
  16. O-RING NSN 5331-01-027-4562 P/N DB63F2.10/315/5 ITEM 46 · ZUS.4WRZ16.-51 ITEM 300 · 008200 · R900008200 · +1 more
  17. O-RING NSN 5331-01-026-3794 P/N AS568-122MILR25897TY1CL1 · AS568-122MILR25897TY1CL1CP · 5200-021227CP · AS568-122MILR25897TY1CL1 · +1 more
  18. O-RING NSN 5331-01-026-3793 P/N AS568-116MILR25897TY1CL1 · 5200-021167CP · AS568-116MILR25897TY1CL1CP · AS568-116MILR25897TY1CL1 · +1 more
  19. O-RING NSN 5331-01-026-3792 P/N AS568-217MILR25897TY1CL1 · 5200-022177CP · AS568-217MILR25897TY1CL1CP · AS568-217MILR25897TY1CL1 · +1 more
  20. O-RING NSN 5331-01-026-2909 P/N AS568A-008 · AS568-008 AS3209-008 · AS568-008 · MILR2765-008ES · +1 more
  21. O-RING NSN 5331-01-026-0899 P/N AS568-132 · 2-132C147-7 · 2-132C873-70 · 2-132C147-70 · +1 more
  22. O-RING NSN 5331-01-025-2734 P/N S9412-003 · S9412-003 · M25988/2-003 · MIL-DTL-25988/2 · +1 more
  23. O-RING NSN 5331-01-025-1798 P/N AS568-40/M2AA810A13EA14F17 · 4400483-0401 · 2-040EK40-8 · 2-040E540-80 · +1 more
  24. O-RING NSN 5331-01-025-0822 P/N NMP-1125 PIECE 38 · 040-705-0069 · 040-705-0069 · NMP-1125 PIECE 38 · +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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