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NSN 4820-00-393-4143

Velocity Fuse

About this product

Poppet flow control device, inside spring bonnet type, integral bonnet attachment method, disk loading method: spring.

Manufacturer part number 620B-9-10-11 for national stock number 4820003934143.

Datasheet

  • Product description

    Safety Relief Valve NSN 4820-00-393-4143.

  • MPN or Model

    620B-9-10-11

  • 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
    Poppet
  • Bonnet Type
    Inside spring
  • Bonnet Attachment Method
    Integral
  • Disk Loading Method
    Spring
  • Valve Discharge Flow Rate
    10.0 gallons per minute
  • Connection Style
    Gasket sea (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 1st end
  • Features Provided
    Bonnet packing and pressure tight outlet side
  • Thready Qty Per Inch (tpi)
    14 1st end
  • Adjustable Pressure Range
    +1200.0/+1300.0 pounds per square inch
  • Maximum Operating Pressure
    3100.0 pounds per square inch single response
  • Thread Size
    0.875 inches 1st end
  • Media For Which Designed
    Fuel/oil, hydrocarbon single response
  • Surface Treatment
    Passivate
  • Style Designator
    Angle
  • 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 4820003934143

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
620B-9-10-11 Curtiss-wright Flow Control
620B-9-10-11 Parker-hannifin Corporation
909711C2 United Technologies Corporation
620B9-10-11 Teledyne Industries Inc
Stock Check
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