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NSN 4820-01-052-9253

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, g46b plain (pipe) 1st end connection style, valve operation method: automatic.

Manufacturer part number 559A2M4 for national stock number 4820010529253.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-052-9253.

  • MPN or Model

    559A2M4

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    G46b plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st end
  • Maximum Operating Pressure
    150.0 pounds per square inch single response
  • Thread Size
    0.250 inches 1st end
  • Opening Pressure Setting
    4.0 pounds per square inch
  • Material
    Steel seat
  • Media For Which Designed
    Gas, inert single response
  • Surface Treatment
    Anodize
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 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 4820010529253

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559A2M4 Circor Aerospace, Inc.
381-1040P8 Raytheon Company
381-1040P8 Raytheon Company
381-1040P8 Raytheon Company
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