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NSN 4820-01-271-9781

Velocity Fuse

About this product

Poppet flow control device, g46a plain (tube) all ends connection style, automatic valve operation method, connection type: threaded external tube all ends.

Manufacturer part number D559T-4D-50 for national stock number 4820012719781.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-271-9781.

  • MPN or Model

    D559T-4D-50

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    G46a plain (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Thready Qty Per Inch (tpi)
    20 all ends
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.438 inches all ends
  • Opening Pressure Setting
    50.0 pounds per square inch
  • Material
    Steel comp 303 body
  • Style Designator
    Err-090
  • Thread Series Designator
    Unj all ends
  • 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 4820012719781

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559T-4D-50 Circor Aerospace, Inc.
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