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NSN 4820-00-777-6752

Velocity Fuse

About this product

0.125 inches 2nd end pipe size accommodated, poppet flow control device, inside spring bonnet type, bonnet attachment method: integral.

Manufacturer part number 648XB4 1-8SS3 for national stock number 4820007776752.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-777-6752.

  • MPN or Model

    648XB4 1-8SS3

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.125 inches 2nd end
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    180.0 degrees fahrenheit single response
  • Connection Style
    Plain (pipe) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Features Provided
    Bonnet packing and pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    27 2nd end
  • Adjustable Pressure Range
    +115.0/+250.0 pounds per square inch
  • Maximum Operating Pressure
    250.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    200.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Stainless steel flow control device and plastic polytetrafluoroethylene flow control device
  • Material Specification
    Ams 3651 military standard 2nd material response flow control device
  • Media For Which Designed
    Oil, hydraulic single response
  • Surface Treatment
    Passivate
  • 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 4820007776752

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
648XB4 1-8SS3 Teledyne Industries Inc
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