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NSN 4820-00-620-5597

Velocity Fuse

About this product

Ball flow control device, packing retaining bonnet type, spring disk loading method, connection style: gasket sea (boss) all ends.

Manufacturer part number 21700-3900 for national stock number 4820006205597.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-620-5597.

  • MPN or Model

    21700-3900

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.2 lb
  • Thread Class
    3b all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Ball
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    160.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss all ends
  • Features Provided
    Pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    20 all ends
  • Adjustable Pressure Range
    +2100.0/+4100.0 pounds per square inch
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.437 inches all ends
  • Outside Diameter Tube Accommodated
    0.250 inches all ends
  • Material
    Aluminum alloy
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Style Designator
    Angle
  • Thread Series Designator
    Unf 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 4820006205597

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
21700-3900 Parker-hannifin Corporation
4268624 Boeing Company, The
4268624 Boeing Company, The
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