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NSN 4820-01-297-5049

Velocity Fuse

About this product

Disk flow control device, inside spring bonnet type, union bonnet attachment method, disk loading method: spring.

Manufacturer part number MIL-V-20065 for national stock number 4820012975049.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-297-5049.

  • MPN or Model

    MIL-V-20065

  • 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
    Inside spring
  • Bonnet Attachment Method
    Union
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    1493.0 pounds per hour
  • Renewable Seat Ring Type
    Threaded
  • Bolt Hole Quantity
    4 all ends
  • Maximum Operating Temp
    775.0 degrees fahrenheit single response
  • Valve Operation Method
    Automatic
  • Flange Shape
    Round with holes all ends
  • Connection Type
    Flange all ends
  • Features Provided
    Pressure tight outlet side
  • Valve Size
    0.375 inches
  • Adjustable Pressure Range
    +11.0/+15.0 pounds per square inch
  • Maximum Operating Pressure
    400.0 pounds per square inch single response
  • Outside Diameter
    3.750 inches 1st end
  • Thickness
    0.575 inches 1st end
  • First Connection Face To Centerline Distance
    3.250 inches
  • Bolt Hole Diameter
    0.630 inches all ends
  • Second Connection Face To Centerline Distance
    3.500 inches
  • Bolt Circle Diameter
    2.625 inches 1st end
  • Flange Face Design
    Raised straight all ends
  • Raised Face Height
    0.245 inches 1st end
  • Raised Face Diameter
    1.375 inches 1st end
  • Material
    Stainless steel seat
  • Media For Which Designed
    Steam single response
  • Style Designator
    Err-090
  • Specification Data
    81349-mil-v-20065 government specification
  • Nondefinitive Specification/std Data
    2 type and d composition and 3-8in.Ips size
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 4820012975049

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
MIL-V-20065 Military Specifications
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