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NSN 4820-00-163-5161

Velocity Fuse

About this product

Items are being coded as critical to insure source inspection will be performed at the point of manufacture, prior to material receipt by the us navy or other dod components. These items are piece parts or end items in support of vital military hardware necessary to sustain the successful mission of the ships, submarines, and shore stations of the us navy. Critical features including, but not limited to, dimensions, tolerances/clearances, electronic characteristics, and metallurgical properties will bespecified for government q ar (quality assurance representatives) to insure the highest possible degree of quality and reliability of these parts being delivered under navicp contracts.

Manufacturer part number A42437 for national stock number 4820001635161.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-163-5161.

  • MPN or Model

    A42437

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Disk
  • Bonnet Type
    Exposed spring
  • Bonnet Attachment Method
    Bolted
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    43200.0 pounds per hour
  • Renewable Seat Ring Type
    Threaded
  • Bolt Hole Quantity
    8 2nd end
  • Valve Operation Method
    Automatic or manual
  • Flange Shape
    Round with holes 2nd end
  • Features Provided
    Pressure tight outlet side
  • Valve Size
    2.500 inches
  • Criticality Code Justification
    Feat
  • Opening Pressure Setting
    710.0 pounds per square inch
  • Outside Diameter
    9.000 inches 2nd end
  • Thickness
    1.250 inches 1st end
  • Bolt Hole Diameter
    0.875 inches 2nd end
  • Bolt Circle Diameter
    7.250 inches 2nd end
  • Flange Face Design
    Recessed straight 1st end
  • Raised Face Height
    0.062 inches 2nd end
  • Raised Face Diameter
    5.500 inches 2nd end
  • Recess Diameter
    6.875 inches 1st end
  • Recess Depth
    0.062 inches 1st end
  • Style Designator
    Angle flanged ends
  • Reference Number Differentiating Characteristics
    As differentiated by the valve discharge flow rate requirement
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 4820001635161

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
A42437 Pentair Valves & Controls Us Lp
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