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NSN 4820-00-073-2255

Velocity Fuse

About this product

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

Manufacturer part number D524T4D20 for national stock number 4820000732255.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-073-2255.

  • MPN or Model

    D524T4D20

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    400.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -65.0 degrees fahrenheit
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Adjustable Pressure Range
    +10.0/+30.0 pounds per square inch
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Opening Pressure Setting
    20.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Steel comp 303 seat
  • Material Specification
    Fedstd66, aisi303/sae30303 federal standard single material response body
  • Media For Which Designed
    Nitrogen, gaseous 5th response
  • Surface Treatment
    Passivate
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Unjf 1st end
  • Furnished Items And Quantity
    1 deflector cap
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 4820000732255

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D524T4D20 Circor Aerospace, Inc.
202-22500-4-20 Triumph Aerostructures, Llc
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