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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 4820-01-141-1427 P/N 1385 1/2IN SBUE 20-35PSI E3650 · PL4149 C3277 1/2IN 20T35PSI · 2385C223 · 1385 1/2 PL2385K44C 20T35PSI · +9 more
  2. VALVE,SAFETY RELIEF NSN 4820-01-131-0229 P/N 20183 · 2038501E0015 · 20385A01E0005 · 20138C51 · +9 more
  3. STEM,FLUID VALVE NSN 4820-01-122-4368 P/N NMP1120-PC14 · NMP-1526 PC 14 · 004.307.0378 · NMP-1156 PIECE 8 · +9 more
  4. PLATE,RETAINING,DISK NSN 4820-01-121-7934 P/N NMP-1173 PIECE 21 · NMP-1173 PIECE 20 · 025-303-0044 · 025.303.0044 · +9 more
  5. SEAT,VALVE NSN 4820-01-114-1399 P/N P-125-R · P-125-R2(SPCLN) · 56-4-6-02-R PIECE 2 · CD-1651 PIECE 8 · +9 more
  6. VALVE,GLOBE NSN 4820-01-113-7271 P/N 6GP80-8 D-4578 PL-1009 · 6GP80-8 PL-1009 · 6GP80-8 AL-1009 · 380-8 PL2897AL · +9 more
  7. VALVE,VENT NSN 4820-01-113-1872 P/N D9FZ6A666-B · D8FZ-6A666B · D8FZ-6A666A · D7FZ-6A666B · +9 more
  8. VALVE,REGULATING,FLUID PRESSURE NSN 4820-01-111-8371 P/N 22-1729P · 435 · P5708779AD · F252B · +9 more
  9. KEEPER,SPRING,VALVE NSN 4820-01-107-9813 P/N 11334 · 423022 · H-7922 PIECE 125 · NH-7011 PIECE 637 · +9 more
  10. VALVE,SAFETY RELIEF NSN 4820-01-100-7060 P/N D506LFF-3X3 · BAMGG04MKK-HC · D506LFF-3X3-00 · D506LFF-3X3 · +9 more
  11. STEM,FLUID VALVE NSN 4820-01-096-4085 P/N 7383858-264285701-13 · 845-4558766 ITEM 8A · 845-4558795 ITEM 13 · H547-0001-264285701-13 · +9 more
  12. VALVE,SAFETY RELIEF NSN 4820-01-090-6416 P/N 3178AS100-1 · 3178AS100 · 275B100-1 · 283683-3 · +9 more
  13. STEM,FLUID VALVE NSN 4820-01-029-9238 P/N 3009G58 PIECE 1 · 781E827P41 · 958E350 ITEM 41 · 3009G58-001 · +9 more
  14. VALVE,BALL NSN 4820-01-014-2696 P/N 44205 · B43XF4 · T150010-32 · 44205 · +9 more
  15. VALVE,CHECK NSN 4820-00-983-6193 P/N 170304 · SS845-2110231ASSYM · 2620-908X5ASSYM · 2621-908-05ASSYIB1-4IN · +9 more
  16. VALVE,ANGLE NSN 4820-00-957-5832 P/N 1KS4A · B1KS4A · 4Z-V4AK-B · A350A002-102 · +9 more
  17. STEM,FLUID VALVE NSN 4820-00-950-1894 P/N 60-773PC603 · 60-606PC611 · 60-591 · 60-656PC603 · +9 more
  18. SEAT,VALVE NSN 4820-00-935-1578 P/N 845-2050576 PIECE 7 · 803-4374431-A-04 · 803-4384431-A-04 · 803-4384431 PIECE 4 · +9 more
  19. VALVE,DOUBLE CHECK AIR BRAKE NSN 4820-00-927-9364 P/N 8A2934 · 605969 · M3002696 · 931457 · +9 more
  20. VALVE,CHECK NSN 4820-00-903-3756 P/N MIL-PRF-25675 · MIL-V-25675 · M25675-8 · 417-8SS5 · +9 more
  21. REGULATOR,COMPRESSED GAS NSN 4820-00-903-2339 P/N 6621 W 2 1/2 IN. GAUGES · 6621A-B580-NITROGEN · ETS4-125-580 · 0781-3909 · +9 more
  22. VALVE,BALL NSN 4820-00-902-2829 P/N 4210T .75IN · D-411-089 ITEM DG · 10617334 · PC1212-4 · +9 more
  23. VALVE,CHECK NSN 4820-00-894-1052 P/N E17250ASSYA1-2IN · SS845-1889571ASSYA1-2IN · C29653-1-2IN · SS845-1889571ASSYA1-2IN · +9 more
  24. COCK,SHUTOFF,SCREW STEM NSN 4820-00-865-6946 P/N 102-078 · 906037-12 · 816483 · G243712-2 · +9 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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