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NSN 4820-00-420-5568

Velocity Fuse

About this product

0.125 inches 1st end pipe size accommodated, poppet flow control device, spring disk loading method, connection style: plain (pipe) 1st end.

Manufacturer part number D559A1M5 for national stock number 4820004205568.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-420-5568.

  • MPN or Model

    D559A1M5

  • 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
  • Pipe Size Accommodated
    0.125 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    Plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st end
  • Adjustable Pressure Range
    +0.5/+140.0 pounds per square inch
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.125 inches 1st end
  • Opening Pressure Setting
    0.5 pounds per square inch
  • Material
    Aluminum alloy 2024 body
  • Material Specification
    Qq-a-225/6, alloy 2024, t4 federal specification single material response seat
  • Media For Which Designed
    Hydrogen 4th response
  • Surface Treatment
    Chromium
  • Style Designator
    Straight through w/baffle
  • Thread Series Designator
    Npt 1st end
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 4820004205568

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559A1M5 Circor Aerospace, Inc.
Stock Check
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