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NSN 4820-01-320-1222

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, g9 plain, optional en (pipe) all ends connection style, valve operation method: automatic.

Manufacturer part number 559TP-2M-55 for national stock number 4820013201222.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-320-1222.

  • MPN or Model

    559TP-2M-55

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Direction
    Right-hand all ends
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Connection Style
    G9 plain, optional en (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal pipe all ends
  • Adjustable Pressure Range
    +31.1/+72.9 pounds per square inch
  • Thread Size
    0.250 inches all ends
  • Material
    Steel comp 316 body
  • Style Designator
    Err-090
  • Thread Series Designator
    Nptf all ends
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 4820013201222

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559TP-2M-55 Circor Aerospace, Inc.
GV500AC2155 Northrop Grumman Systems Corporation
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