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NSN 4820-01-189-8525

Velocity Fuse

About this product

Deflector cap.

Manufacturer part number D520A-4D-130 for national stock number 4820011898525.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-189-8525.

  • MPN or Model

    D520A-4D-130

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    0.1 lb
  • Thread Class
    3a all ends
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    400.0 degrees fahrenheit 2nd response
  • Connection Style
    G46a plain (tube) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube all ends
  • Thready Qty Per Inch (tpi)
    20 all ends
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.438 inches all ends
  • Opening Pressure Setting
    130.0 pounds per square inch
  • Material
    Silicon seat
  • Material Specification
    Qq-a-225/6 federal specification single material response body
  • Media For Which Designed
    Nitrogen, gaseous 5th response
  • Surface Treatment
    Anodize
  • Surface Treatment Specification
    Mil-a-8625a military specification single treatment response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unjf all ends
  • Furnished Items And Quantity
    1 deflector cap
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 4820011898525

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D520A-4D-130 Circor Aerospace, Inc.
D524A-4D-130 Circor Aerospace, Inc.
Stock Check
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