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NSN 4820-00-287-2465

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, 8 1st end bolt holes, valve operation method: automatic.

Manufacturer part number 5S1281ALT4A for national stock number 4820002872465.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-287-2465.

  • MPN or Model

    5S1281ALT4A

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    8 1st end
  • Maximum Operating Temp
    425.0 degrees fahrenheit single response
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes 1st end
  • Connection Type
    Flange 1st end
  • Features Provided
    Pressure tight outlet side
  • Maximum Operating Pressure
    100.0 pounds per square inch single response
  • Opening Pressure Setting
    2.0 pounds per square inch
  • Outside Diameter
    6.125 inches 1st end
  • Bolt Hole Diameter
    0.562 inches 1st end
  • Bolt Circle Diameter
    5.500 inches 1st end
  • Flange Face Design
    Plain 1st end
  • Material
    Bronze body
  • Media For Which Designed
    Steam single response
  • Style Designator
    Angle
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 4820002872465

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5S1281ALT4A Naval Ship Systems Command
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