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NSN 4820-01-491-2311

Fuel Manifold Check Valve

About this product

Dual 4-inch flapper.

Manufacturer part number 4004-18 for national stock number 4820014912311.

Datasheet

  • Product description

    Check Valve NSN 4820-01-491-2311.

  • MPN or Model

    4004-18

  • Schedule B
    8481.30.1010 (Check valves of copper having a pressure rating under 850 kpa)
  • Flow Control Device
    Disk
  • Bolt Hole Quantity
    8 all ends
  • Maximum Operating Temp
    300.0 degrees fahrenheit single response
  • Minimum Operating Temp
    -65.0 degrees fahrenheit
  • End Application
    Sh-2g super seasprite helicopter
  • Valve Operation Method
    Automatic
  • Maximum Operating Pressure
    15.0 pounds per square inch single response
  • Outside Diameter
    5.000 inches all ends
  • Bolt Hole Diameter
    0.223 inches all ends
  • Bolt Circle Diameter
    4.625 inches all ends
Check Valve

A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.

Mechanic Bill explains Fuel Manifold Check Valve

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NSN 4820014912311

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
4004-18 Aerospace Systems And Components,
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