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NSN 4820-00-403-1422

Fuel Manifold Check Valve

About this product

Poppet flow control device, spring disk loading method, flareless 1st end connection style, valve operation method: automatic.

Manufacturer part number 418420-2 for national stock number 4820004031422.

Datasheet

  • Product description

    Check Valve NSN 4820-00-403-1422.

  • MPN or Model

    418420-2

  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Unit Weight (Est.)
    12 lb
  • Thread Class
    3a 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Disk Loading Method
    Spring
  • Connection Style
    Flareless 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded external tube 1st end
  • Mounting Position
    Horizontal or vertical
  • Thready Qty Per Inch (tpi)
    12 1st end
  • Maximum Operating Pressure
    3000.0 pounds per square inch single response
  • Thread Size
    1.875 inches 1st end
  • Seat Angle
    12.0 degrees 1st end
  • Outside Diameter Tube Accommodated
    1.500 inches 1st end
  • Material
    Copper alloy seat
  • Media For Which Designed
    Hydraulic fluid, phosphate-ester base single response
  • Style Designator
    Straight thru
  • Thread Series Designator
    Unj 1st end
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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 4820004031422

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
418420-2 Naval Air Warfare Center Aircraft
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