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NSN 4820-01-559-5509

Velocity Fuse

About this product

Polytetrafluoroethylene seal material; 100 to 400 degree f temp range.

Manufacturer part number 520T1-2MP-50 for national stock number 4820015595509.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-559-5509.

  • MPN or Model

    520T1-2MP-50

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • End Application
    Special electronic aircraft (e2c); hv load assembly hpdts; hv load assembly ea-6b otps p6i8k0
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 2nd end
  • Valve Size
    0.250 inches
  • Opening Pressure Setting
    50.0 pounds per square inch
  • Material
    Steel comp 316 body
  • Style Designator
    C4 straight thru
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Safety Relief Valve

A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes valve (1), relief, pressure and temperature.

Mechanic Bill explains Velocity Fuse

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NSN 4820015595509

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
520T1-2MP-50 Circor Aerospace, Inc.
802027213967-1 United States Department Of The
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