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Home/Military Standard parts/Seals & Fittings/FSC 4820
Category // FSC 4820 · 153,247 items

Valves, Nonpowered

Valves operated by hand or by the fluid itself, including drain cocks, safety relief valves, and angle valves.

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153,247 items

  1. VALVE,SAFETY RELIEF NSN 4820-00-774-5285 P/N 7745285 · 2204201 · 1-TN-255 · 120461 · +6 more
  2. VALVE,REGULATING,FLUID PRESSURE NSN 4820-00-766-1009 P/N VP3-2 · 470517PCLN1 · 470516PCALL · 470516PCALL · +6 more
  3. VALVE,BALL NSN 4820-01-721-9478 P/N 845-7108792 ASSY IRM MOD · 8842112-REMBT-525 · 2643-670-01 ASSY IRM MOD · LOA018068-REMBT-525 · +6 more
  4. VALVE,CHECK NSN 4820-01-721-9463 P/N 564-8842606-RTD-123 · 845-8616935 ASSY-IRH · LOA028715-RTD-123 · 2644-253-01 ASSY-IRH · +6 more
  5. VALVE,BALL NSN 4820-01-721-8109 P/N 845-854316-ASSY-B · 845-8543136-15 · ERH553-8002D103-11 · 218132238TVD · +6 more
  6. VALVE,BALL NSN 4820-01-718-3767 P/N 726-8834750-MCW-1-3 · 726-8835706-A100 · LSA004586-A100 · LOA039962-MCW-1-3 · +6 more
  7. STEM,FLUID VALVE NSN 4820-01-718-2605 P/N 563-8838807-A6 · 563-8837194-102 · R6961602-A6 · R6961602-102 · +6 more
  8. VALVE ASSEMBLY NSN 4820-01-706-0079 P/N 7016025 · 533-7016025-P/N-F176 · 218109603 · H655-1509-P/N-F176 · +6 more
  9. RETAINER STEM NSN 4820-01-673-1650 P/N 7550478-PLC-10357-009 · 7383858-PLC-10357-009 · G547-0002-PLC-10357-009 · H547-0001-PLC-10357-009 · +6 more
  10. CAP,VALVE NSN 4820-01-671-3813 P/N 7550479-2177934-3-4 · 7383858-2177934-3-4 · 803-2177934-X3XX-4 · G547-0003-2177934-3-4 · +6 more
  11. DECK BOX OPERATOR,VALVE NSN 4820-01-670-9788 P/N 7384913 PN A4 · 550477-A38 · G547-0001-A38 · G5255301-0A4 · +6 more
  12. FLANGE,GLAND,VALVE NSN 4820-01-670-9563 P/N 7550477-G5254401-03 · 7384910 PN 3 · G525-4401 PN 3 · G5254401-03 · +6 more
  13. STEM,SUPPORT,VALVE NSN 4820-01-670-8276 P/N 90445-5 · 10234 ITEM 5 · 7550478-262190613-57 · G547-0002-262190613-57 · +6 more
  14. DECK BOX OPERATOR,VALVE NSN 4820-01-670-7046 P/N 7384913 PN A2 · 7550477-A36 · G525-5301 PN A2 · G5255301-0A2 · +6 more
  15. RETAINER,SEAT,VALVE NSN 4820-01-670-5559 P/N 7550477-G5473100-0258 · 7384568 PN 258 · G5473100-0258 · G547-0001-G5473100-0258 · +6 more
  16. FLANGE,GLAND,VALVE NSN 4820-01-670-5407 P/N 7550477-G5473100-0234 · 7384568 PN 234 · G5473100-0234 · G547-3100 PN 234 · +6 more
  17. FLANGE,GLAND,VALVE NSN 4820-01-670-5377 P/N 7550477-G5473100-0259 · 7384568 PN 259 · G547-0001-G5473100-0259 · G5473100-0259 · +6 more
  18. FLANGE,GLAND,VALVE NSN 4820-01-670-4763 P/N 7550477-G5254201-017 · 7384908 PN 17 · G525-4201 PN 17 · G547-0001-G5254201-017 · +6 more
  19. FLANGE,GLAND,VALVE NSN 4820-01-670-4717 P/N 7550477-G5473100-0244 · 7384568 PN 244 · G5473100-0244 · G547-0001-G5473100-0244 · +6 more
  20. CLAPPER AND PIN NSN 4820-01-670-1442 P/N 7550479-DS-B-90305-05 · G547-0003-DS-B-90305-05 · DS-B-90305-05 · 7550479-DS-B-90305-05D4 · +6 more
  21. STEM,NEEDLE VALVE NSN 4820-01-670-0928 P/N 7550479-264375101-13 · 845-7285216 ITEM 13 · 2643-751-01 ITEM 13 · G547-0003-264375101-13 · +6 more
  22. VALVE,CHECK NSN 4820-01-657-9547 P/N 8590952-D1217483 · KN011622 · D1217483 · 7377709-62 · +6 more
  23. SEAT,VALVE NSN 4820-01-644-8580 P/N 7383858-PLC12829-6 · G547-0002-PLC-13065-006 · PLC-12829 ITEM 6 · PLC-13065-ITEM 6 · +6 more
  24. GEAR OPERATOR,VALVE NSN 4820-01-644-4812 P/N 7550477-A37 · 7384913 PN A3 · G525-5301 PN A3 · G547-0001-A37 · +6 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 Valves, Nonpowered

What does federal supply class 4820 cover?

Federal supply class 4820 covers nonpowered valves, valves operated by hand or by the fluid itself rather than by a motor or actuator. Items filed here include drain cocks, safety relief valves, and angle valves.

How is a part in federal supply class 4820 identified?

A valve is identified by its NSN and item name, and the record carries the characteristics on file and the manufacturer cross-references for it. Each item in the class has its own National Stock Number (NSN) record, listed above.

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