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NSN 4820-00-776-6886

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, gasket sea (boss) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 27391 for national stock number 4820007766886.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-776-6886.

  • MPN or Model

    27391

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.7 lb
  • Thread Class
    3b 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    300.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 2nd end
  • Features Provided
    Pressure tight outlet side
  • Adjustable Pressure Range
    +265.0/+380.0 pounds per square inch
  • Maximum Operating Pressure
    2500.0 pounds per square inch single response
  • Thread Size
    0.438 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    350.0 pounds per square inch
  • Material
    Aluminum alloy
  • Media For Which Designed
    Hydraulic fluid, silicate-ester base single response
  • Surface Treatment
    Anodize
  • Style Designator
    Straight through note: to be used for valve bodies of one section only.
  • Thread Series Designator
    Unjf 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 4820007766886

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
27391 Triumph Thermal Systems - Maryland,
D8497-63-1 Chief Of Engineers
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D8497-63-1 Cecom Lr Center
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5173A-4TB-350 Circor Aerospace, Inc.
D8497-63-1 Drs Environmental Systems, Inc.
D8497-63-1 Keco Industries Inc.
5183A4TB350 Circor Aerospace, Inc.
D8497-63-1 Hdt Expeditionary Systems, Inc.
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