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NSN 4820-00-421-5869

Velocity Fuse

About this product

Diaphragm flow control device, packing retaining bonnet type, spring disk loading method, valve discharge flow rate: 15.0 cubic feet per minute.

Manufacturer part number A51H9032-1 for national stock number 4820004215869.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-421-5869.

  • MPN or Model

    A51H9032-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Diaphragm
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    15.0 cubic feet per minute
  • Maximum Operating Temp
    330.0 degrees fahrenheit single response
  • Connection Style
    External seat for gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss 1st end
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Thread Size
    0.437 inches 1st end
  • Opening Pressure Setting
    4500.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Steel comp 630 seat
  • Media For Which Designed
    Nitrogen, gaseous 2nd response
  • Surface Treatment
    Paint and primer
  • Style Designator
    Angle
  • 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 4820004215869

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A51H9032-1 Northrop Grumman Systems Corporation
34670-3 Eaton Corporation
A51H9032-1 Northrop Grumman Systems Corporation
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