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NSN 4820-00-009-5209

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, -40.0 degrees fahrenheit minimum operating temp, connection style: plain (tube) 1st end.

Manufacturer part number D559A4D42PS1 for national stock number 4820000095209.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-009-5209.

  • MPN or Model

    D559A4D42PS1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.3 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    280.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -40.0 degrees fahrenheit
  • Connection Style
    Plain (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Opening Pressure Setting
    42.0 pounds per square inch
  • Material
    Aluminum alloy 2024 body
  • Material Specification
    Qq-a-225/6, alloy2024, t4 federal specification single material response seat
  • Media For Which Designed
    Hydrogen 5th response
  • 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 4820000095209

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559A4D42PS1 Circor Aerospace, Inc.
247ASC1527-002 Naval Air Systems Command
D559A-4D-42 Circor Aerospace, Inc.
D559A4D42PSI Circor Aerospace, Inc.
Stock Check
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