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NSN 4820-01-020-2501

Velocity Fuse

About this product

Popoff style.

Manufacturer part number D559A1M50 for national stock number 4820010202501.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-020-2501.

  • MPN or Model

    D559A1M50

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.125 inches 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Threaded
  • Disk Loading Method
    Spring
  • Connection Style
    G46b plain (pipe) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external pipe 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.125 inches all ends
  • Opening Pressure Setting
    50.0 pounds per square inch
  • Material
    Aluminum alloy seat
  • Media For Which Designed
    Air single response
  • Surface Treatment
    Anodize
  • Style Designator
    Err-090
  • Thread Series Designator
    Npt all ends
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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 4820010202501

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
D559A1M50 Circor Aerospace, Inc.
247ASC2368-001 Naval Air Systems Command
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