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NSN 4820-01-432-7698

Lift-check Valve

About this product

1.000 inches all ends pipe size accommodated, disk flow control device, packing retaining bonnet type, minimum operating temp: 28.0 degrees fahrenheit.

Manufacturer part number 803-6397434-144121 for national stock number 4820014327698.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-432-7698.

  • MPN or Model

    803-6397434-144121

  • Schedule B
    8481.30.9000 (Check valves of materials other than copper, iron or steel)
  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    5.9 lb
  • Pipe Size Accommodated
    1.000 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Packing retaining
  • Maximum Operating Temp
    250.0 degrees fahrenheit single response
  • Minimum Operating Temp
    28.0 degrees fahrenheit
  • End Application
    Navy weapons systems jg, seawolf class ssn
  • Connection Style
    Socket (pipe) all ends
  • Valve Operation Method
    Manual
  • Connection Type
    Unthreaded internal pipe all ends
  • Mounting Position
    Vertical
  • Material
    Rubber fluorocarbon class fpm packing
  • Material Specification
    Qq-n-281 class a form 2 federal specification single material response body
  • Style Designator
    Straight thru
  • Furnished Items And Quantity
    1 cap
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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 4820014327698

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-6397434-144121 Naval Sea Systems Command
211032730 Naval Sea Systems Command
6397434 Naval Sea Systems Command
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