1-321-802-5889

NSN 4820-00-232-5486

Velocity Fuse

About this product

Furnished w/deflector cap.

Manufacturer part number D564A4D20 for national stock number 4820002325486.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-232-5486.

  • MPN or Model

    D564A4D20

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Maximum Operating Temp
    150.0 degrees celsius single response
  • Connection Style
    External seat for gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss 1st end
  • 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
    Aluminum alloy 2024 body
  • Material Specification
    Qq-a-200/3, alloy2024, t4 federal specification single material response body
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Unf 1st end
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 4820002325486

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D564A4D20 Circor Aerospace, Inc.
3450279-1 Cobham Advanced Electronic Solutions
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