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NSN 4820-00-167-5261

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, gasket sea (boss) 1st end connection style, valve operation method: automatic.

Manufacturer part number 620B4-12-2 for national stock number 4820001675261.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-167-5261.

  • MPN or Model

    620B4-12-2

  • 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 Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    225.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 1st end
  • Thready Qty Per Inch (tpi)
    12 1st end
  • Adjustable Pressure Range
    +115.0/+250.0 pounds per square inch
  • Maximum Operating Pressure
    3600.0 pounds per square inch single response
  • Thread Size
    1.062 inches 1st end
  • Seat Angle
    30.0 degrees 1st end
  • Material
    Stainless steel flow control device
  • Surface Treatment
    Anodize
  • Style Designator
    Angle
  • Thread Series Designator
    Unj 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 4820001675261

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
620B4-12-2 Teledyne Industries Inc
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