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NSN 4820-00-971-3494

Lift-check Valve

About this product

Poppet flow control device, packing retaining bonnet type, spring disk loading method, renewable seat ring type: pressed-in.

Manufacturer part number 128N10000-3 for national stock number 4820009713494.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-00-971-3494.

  • MPN or Model

    128N10000-3

  • NMF (National Motor Freight)
    013120 - Aluminum Article NOI
  • Thread Class
    3b 1st end
  • Thread Direction
    Right-hand 1st end
  • Flow Control Device
    Poppet
  • Bonnet Type
    Packing retaining
  • Disk Loading Method
    Spring
  • Renewable Seat Ring Type
    Pressed-in
  • Connection Style
    Gasket seal (boss) 1st end
  • Valve Operation Method
    Automatic
  • Connection Type
    Threaded internal boss 1st end
  • Thread Size
    0.437 inches 1st end
  • Outside Diameter Tube Accommodated
    0.437 inches 1st end
  • Style Designator
    Offset
  • Thread Series Designator
    Unf 1st end
More from these suppliers
Lift-check Valve

A valve with a stem that may be mechanically actuated to two different positions by rotary or linear motion. In the first position, one side of the valve disk is located against the seat permitting movement of the disk in a manner that will allow a flow of fluid in one direction through the valve. In the second position, the valve disk is lifted from the seat to allow a flow of fluid in either direction through the valve. The valve disk may be spring loaded. See also valve, stop-check and valve, stop-lift-check.

Mechanic Bill explains Lift-check Valve

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NSN 4820009713494

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
128N10000-3 Northrop Grumman Systems Corporation
128N10000-3 Northrop Grumman Systems Corporation
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