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NSN 4820-00-463-2437

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, g46a plain (tube) 1st end connection style, valve operation method: automatic.

Manufacturer part number 559A-8D-125 for national stock number 4820004632437.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-463-2437.

  • MPN or Model

    559A-8D-125

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    280.0 degrees fahrenheit single response
  • Connection Style
    G46a plain (tube) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.750 inches 1st end
  • Opening Pressure Setting
    125.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.500 inches 1st end
  • Material
    Aluminum alloy 2024
  • Material Specification
    Qq-a-225/6, t4 federal specification single material response
  • Media For Which Designed
    Nitrogen, gaseous 3rd response
  • Surface Treatment
    Anodize
  • Style Designator
    Straight through note: to be used for valve bodies of one section only.
  • Thread Series Designator
    Unjf 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 4820004632437

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559A-8D-125 Circor Aerospace, Inc.
1915691-17 Puget Sound Naval Shipyard And
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