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NSN 4820-00-820-7659

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 6.0 cubic feet per minute valve discharge flow rate, connection style: g42 flared (tube) 1st end.

Manufacturer part number 524A-4D-20 for national stock number 4820008207659.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-820-7659.

  • MPN or Model

    524A-4D-20

  • 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
  • Valve Discharge Flow Rate
    6.0 cubic feet per minute
  • Maximum Operating Temp
    -100.0 degrees fahrenheit 1st response400.0 degrees fahrenheit 2nd response
  • Connection Style
    G42 flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Features Provided
    Pressure tight outlet side
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    20.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Aluminum alloy 2024 body
  • Media For Which Designed
    Oxygen, gaseous 3rd response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unjf 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 4820008207659

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
524A-4D-20 Circor Aerospace, Inc.
524D-20 Circor Aerospace, Inc.
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