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NSN 4820-00-400-9928

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, flared (tube) 1st end connection style, valve operation method: automatic.

Manufacturer part number D559A6D140 for national stock number 4820004009928.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-400-9928.

  • MPN or Model

    D559A6D140

  • 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
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    280.0 degrees fahrenheit single response
  • Connection Style
    Flared (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
    0.562 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    140.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.375 inches 1st end
  • Material
    Aluminum alloy 2024
  • Material Specification
    Qq-225/6, alloy2024, t351 federal specification 1st material response and qq-225/6, alloy2024, t4 federal specification 2nd material response
  • Media For Which Designed
    Hydrogen 5th response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625, type 1 military specification single treatment response
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Unf 1st end
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 4820004009928

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559A6D140 Circor Aerospace, Inc.
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