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NSN 4820-01-057-7251

Velocity Fuse

About this product

Poppet flow control device, inside screw bonnet type, integral bonnet attachment method, disk loading method: spring.

Manufacturer part number 647B-1-1-4-T for national stock number 4820010577251.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-057-7251.

  • MPN or Model

    647B-1-1-4-T

  • 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
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    400.0 degrees fahrenheit single response
  • Connection Style
    G9 plain, optional en (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe all ends
  • Features Provided
    Pressure tight outlet side
  • Maximum Operating Pressure
    15.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Opening Pressure Setting
    4.0 pounds per square inch
  • Material
    Steel comp 303 flow control device
  • Material Specification
    Aisi 303 assn standard single material response flow control device
  • Media For Which Designed
    Oil, hydraulic single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
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 4820010577251

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
647B-1-1-4-T Teledyne Industries Inc
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