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NSN 4820-00-820-6782

Velocity Fuse

About this product

Poppet flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.

Manufacturer part number 644XB3-12-11 for national stock number 4820008206782.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-820-6782.

  • MPN or Model

    644XB3-12-11

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Connection Style
    G42 flared (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Thready Qty Per Inch (tpi)
    12 all ends
  • Adjustable Pressure Range
    +40.0/+125.0 pounds per square inch
  • Thread Size
    1.062 inches all ends
  • Seat Angle
    37.0 degrees all ends
  • Outside Diameter Tube Accommodated
    0.750 inches all ends
  • Material
    Stainless steel
  • 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 4820008206782

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
644XB3-12-11 Teledyne Industries Inc
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