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NSN 4820-01-223-8651

Velocity Fuse

About this product

Disk flow control device, spring disk loading method, g50 external seat for gasket seal (boss) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 559T6DB90 for national stock number 4820012238651.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-01-223-8651.

  • MPN or Model

    559T6DB90

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Disk
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    275.0 degrees fahrenheit single response
  • Connection Style
    G50 external seat for gasket seal (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 1st end
  • Thready Qty Per Inch (tpi)
    18 2nd end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.562 inches 2nd end
  • Opening Pressure Setting
    90.0 pounds per square inch
  • Material
    Steel comp 303
  • Media For Which Designed
    Hydrogen 4th response
  • Thread Series Designator
    Unj 2nd 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 4820012238651

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
559T6DB90 Circor Aerospace, Inc.
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