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NSN 4820-01-273-9113

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, g9 plain, optional en (pipe) all ends connection style, valve operation method: automatic.

Manufacturer part number 637B-5-1/4-2 for national stock number 4820012739113.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-273-9113.

  • MPN or Model

    637B-5-1/4-2

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    225.0 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
    +235.0/+450.0 pounds per square inch
  • Maximum Operating Pressure
    3600.0 pounds per square inch single response
  • Thread Size
    0.250 inches all ends
  • Material
    Plastic polytetrafluoroethylene seat
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt 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 4820012739113

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
637B-5-1/4-2 Parker-hannifin Corporation
637B-5-1/4-2 Teledyne Industries Inc
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