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NSN 4820-01-420-8501

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, -40.0 degrees fahrenheit minimum operating temp, connection style: g9 plain, optional en (pipe) 2nd end.

Manufacturer part number 559A-4MP-30 for national stock number 4820014208501.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-420-8501.

  • MPN or Model

    559A-4MP-30

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    0.1 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -40.0 degrees fahrenheit
  • Connection Style
    G9 plain, optional en (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe 2nd end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Opening Pressure Setting
    30.0 pounds per square inch
  • Material
    Aluminum body
  • Media For Which Designed
    Hydrogen 4th 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 4820014208501

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559A-4MP-30 Circor Aerospace, Inc.
559A-2MP-30 Circor Aerospace, Inc.
7M666D2-30 Boeing Company, The
559A-4DB-30 Circor Aerospace, Inc.
Stock Check
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