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NSN 4820-00-903-7241

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, g50 external seat for gasket seal (boss) 1st end connection style, valve operation method: automatic.

Manufacturer part number 537A4D20 for national stock number 4820009037241.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-903-7241.

  • MPN or Model

    537A4D20

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • NMF (National Motor Freight)
    000000 - No Nmfc Freight Description
  • Thread Class
    3a 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
    G50 external seat for gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external boss 1st end
  • Maximum Operating Pressure
    200.0 pounds per square inch single response
  • Thread Size
    0.437 inches 1st end
  • Opening Pressure Setting
    20.0 pounds per square inch
  • Material
    Rubber butadiene-acrylonitrile class nbr flow control device
  • Media For Which Designed
    Water-oil-gas single response
  • Style Designator
    Err-090
  • Thread Series Designator
    Unf 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 4820009037241

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
537A4D20 Circor Aerospace, Inc.
FTWC225-1 Raytheon Company
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