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NSN 4820-00-497-7444

Velocity Fuse

About this product

Poppet flow control device, spring disk loading method, gasket sea (boss) 2nd end connection style, valve operation method: automatic.

Manufacturer part number 5120T-6TB-300 for national stock number 4820004977444.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-497-7444.

  • MPN or Model

    5120T-6TB-300

  • Schedule B
    8481.40.0000 (Safety or relief valves)
  • Thread Class
    3b 2nd end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Maximum Operating Temp
    450.0 degrees fahrenheit single response
  • Connection Style
    Gasket sea (boss) 2nd end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 2nd end
  • Features Provided
    Pressure tight outlet side
  • Adjustable Pressure Range
    +240.0/+360.0 pounds per square inch
  • Maximum Operating Pressure
    2400.0 pounds per square inch single response
  • Thread Size
    0.562 inches 2nd end
  • Seat Angle
    37.0 degrees 1st end
  • Opening Pressure Setting
    300.0 pounds per square inch
  • Outside Diameter Tube Accommodated
    0.375 inches 1st end
  • Material
    Steel comp 303 body
  • Material Specification
    Aisi 303/sae 30303 assn standard single material response body
  • Style Designator
    Straight through note: to be used for valve bodies of one section only.
  • Thread Series Designator
    Unjf 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 4820004977444

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
5120T-6TB-300 Circor Aerospace, Inc.
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