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NSN 4820-00-940-1882

Velocity Fuse

About this product

Poppet flow control device, inside screw bonnet type, pressure seal, ring type bonnet attachment method, disk loading method: spring.

Manufacturer part number 140764-1 for national stock number 4820009401882.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-940-1882.

  • MPN or Model

    140764-1

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Pressure seal, ring type
  • Disk Loading Method
    Spring
  • Bolt Hole Quantity
    4 all ends
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Features Provided
    Valve stem lock shield and pressure tight outlet side
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Opening Pressure Setting
    75.0 pounds per square inch
  • Outside Diameter
    4.250 inches all ends
  • Thickness
    0.438 inches all ends
  • Bolt Hole Diameter
    0.625 inches all ends
  • Bolt Circle Diameter
    3.125 inches all ends
  • Flange Face Design
    Raised straight all ends
  • Raised Face Height
    0.062 inches all ends
  • Raised Face Diameter
    2.000 inches all ends
  • Material
    Steel comp 316
  • Material Specification
    Qq-s-763, class 316 federal specification single material response
  • Media For Which Designed
    Water, fresh single response
  • Style Designator
    Err-090
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 4820009401882

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
140764-1 Raytheon Company
140764-1 Raytheon Company
140764-1 Raytheon Company
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