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NSN 4820-01-025-7838

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 1.0 gallons per minute valve discharge flow rate, connection style: g42 flared (tube) 1st end.

Manufacturer part number P26-771 for national stock number 4820010257838.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-025-7838.

  • MPN or Model

    P26-771

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    1.0 gallons per minute
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    G42 flared (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    0.750 inches 1st end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    3600.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.500 inches 1st end
  • Material
    Steel flow control device
  • Material Specification
    Qq-s-763, class 440c federal specification single material response flow control device
  • Media For Which Designed
    Hydraulic fluid, petroleum base single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unjf 1st end
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 4820010257838

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
P26-771 Circor Aerospace, Inc.
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