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NSN 4820-01-225-4247

Lift-check Valve

About this product

0.500 inches all ends pipe size accommodated, disk flow control device, outside screw-yoke bonnet type, connection style: socket (pipe) all ends.

Manufacturer part number B-46986/ASSY for national stock number 4820012254247.

Datasheet

  • Product description

    Lift-check Valve NSN 4820-01-225-4247.

  • MPN or Model

    B-46986/ASSY

  • Schedule B
    8481.30.2090 (Check valves of steel)
  • NMF (National Motor Freight)
    127220 - Pressure Reg/red/relief Valves NOI
  • Pipe Size Accommodated
    0.500 inches all ends
  • Flow Control Device
    Disk
  • Bonnet Type
    Outside screw-yoke
  • Connection Style
    Socket (pipe) all ends
  • Valve Operation Method
    Automatic
  • Connection Type
    Unthreaded internal pipe all ends
  • Mounting Position
    Horizontal
  • Criticality Code Justification
    Zzzy
  • Material
    Steel
  • Style Designator
    Straight thru
  • Reference Number Differentiating Characteristics
    Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
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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 4820012254247

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B-46986/ASSY Crane Co
B-46986 Crane Co
B-46986ASSY1/2IN Crane Co
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