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NSN 4820-00-683-8922

Velocity Fuse

About this product

0.250 inches 1st end pipe size accommodated, disk flow control device, inside spring bonnet type, bonnet attachment method: threaded.

Manufacturer part number 959B for national stock number 4820006838922.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-683-8922.

  • MPN or Model

    959B

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.250 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic or manual
  • Connection Type
    Threaded external pipe 1st end
  • Features Provided
    Valve stem lock shield
  • Maximum Operating Pressure
    500.0 pounds per square inch single response
  • Thread Size
    0.250 inches 1st end
  • Opening Pressure Setting
    475.0 pounds per square inch
  • Material
    Copper alloy body
  • Media For Which Designed
    Air single response
  • Style Designator
    Angle
  • Thread Series Designator
    Npt 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 4820006838922

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
959B Superior Valve Co
959BC475 Superior Valve Co
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