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NSN 4820-00-784-6687

Velocity Fuse

About this product

Poppet flow control device, packing retaining bonnet type, spring disk loading method, valve discharge flow rate: 28.0 cubic feet per minute.

Manufacturer part number 890513 for national stock number 4820007846687.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-784-6687.

  • MPN or Model

    890513

  • 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
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    28.0 cubic feet per minute
  • Maximum Operating Temp
    140.0 degrees fahrenheit single response
  • Connection Style
    Flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Thready Qty Per Inch (tpi)
    20 1st end
  • Maximum Operating Pressure
    280.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    255.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.250 inches 1st end
  • Material
    Aluminum alloy seat
  • Media For Which Designed
    Air single response
  • Style Designator
    Straight thru
  • 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 4820007846687

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
890513 Valcor Engineering Corporation
890513 Kidde-fenwal, Inc.
318400-1 Naval Air Warfare Center Aircraft
65-1006-7 Entwistle Co The
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