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NSN 4820-00-072-0579

Velocity Fuse

About this product

0.500 inches 2nd end pipe size accommodated, poppet flow control device, spring disk loading method, renewable seat ring type: pressed-in.

Manufacturer part number 5159B4MP50 for national stock number 4820000720579.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-072-0579.

  • MPN or Model

    5159B4MP50

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.8 lb
  • Pipe Size Accommodated
    0.500 inches 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Renewable Seat Ring Type
    Pressed-in
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Plain (pipe) 1st endplain, optional en (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st endthreaded internal pipe 2nd end
  • Features Provided
    Pressure tight outlet side
  • Adjustable Pressure Range
    +10.0/+400.0 pounds per square inch
  • Maximum Operating Pressure
    2500.0 pounds per square inch 1st response
  • Thread Size
    0.500 inches 2nd end
  • Opening Pressure Setting
    50.0 pounds per square inch
  • Material
    Copper alloy
  • Media For Which Designed
    Air 1st responseacetylene 2nd responseammonia, gaseous 3rd responserefrigerant 12 4th responsehydrogen 5th response
  • Style Designator
    Straight through note: to be used for valve bodies of separable sections.
  • Thread Series Designator
    Npt 1st end
More from these suppliers
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 4820000720579

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5159B4MP50 Circor Aerospace, Inc.
3200559-1 Cosmodyne, Llc
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