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NSN 4820-01-057-6792

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 500.0 cubic feet per minute valve discharge flow rate, connection style: g9 plain, optional en (pipe) all ends.

Manufacturer part number 639AS1366-1 for national stock number 4820010576792.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-057-6792.

  • MPN or Model

    639AS1366-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    1 lb
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    500.0 cubic feet per minute
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    G9 plain, optional en (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe all ends
  • Adjustable Pressure Range
    +3890.0/+7500.0 pounds per square inch
  • Maximum Operating Pressure
    10500.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Material
    Steel stem
  • Material Specification
    Qq-s-764, type 303-canceled federal specification single material response stem
  • Media For Which Designed
    Oil, hydraulic 4th response
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
  • Furnished Items And Quantity
    1 locking device
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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 4820010576792

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
639AS1366-1 Naval Air Systems Command
5349T-2PP(L)-4500 Circor Aerospace, Inc.
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