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NSN 4820-00-540-1872

Velocity Fuse

About this product

Poppet flow control device, packing retaining bonnet type, spring disk loading method, valve discharge flow rate: 1.0 gallons per minute.

Manufacturer part number 4446441-105PS1 for national stock number 4820005401872.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-540-1872.

  • MPN or Model

    4446441-105PS1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3b 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    1.0 gallons per minute
  • Maximum Operating Temp
    200.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 2nd end
  • Features Provided
    Pressure tight outlet side
  • Maximum Operating Pressure
    250.0 pounds per square inch single response
  • Thread Size
    0.548 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    105.0 pounds per square inch
  • Material
    Stainless steel flow control device
  • Media For Which Designed
    Oil, hydraulic single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unjf 2nd 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 4820005401872

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
4446441-105PS1 Boeing Company, The
2R1450 Crissair, Inc.
4446441-501 Boeing Company, The
4446441-501 Boeing Company, The
Stock Check
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