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NSN 4820-00-608-0971

Velocity Fuse

About this product

Disk or stem flow control device, outside screw-yoke bonnet type, bolted bonnet attachment method, disk loading method: spring.

Manufacturer part number 55-A-17 for national stock number 4820006080971.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-608-0971.

  • MPN or Model

    55-A-17

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    116 lb
  • Flow Control Device
    Disk or stem
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    8 1st end
  • Maximum Operating Temp
    650.0 degrees fahrenheit single response
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes 1st end
  • Connection Type
    Flange 1st end
  • Mounting Facility
    Bracket
  • Valve Size
    3.000 inches
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Outside Diameter
    6.625 inches 1st end
  • Thickness
    0.562 inches 1st end
  • First Connection Face To Centerline Distance
    5.000 inches
  • Bolt Hole Diameter
    0.625 inches 1st end
  • Second Connection Face To Centerline Distance
    5.000 inches
  • Bolt Circle Diameter
    5.500 inches 1st end
  • Flange Face Design
    Raised straight 1st end
  • Raised Face Height
    0.062 inches 1st end
  • Raised Face Diameter
    4.750 inches 1st end
  • Material
    Steel uns j03008 seat
  • Style Designator
    Angle flanged ends
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 4820006080971

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
55-A-17 Ametek Inc
53-A-38 Ametek Inc
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