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NSN 4820-00-781-7820

Stop-lift-check Valve

About this product

Disk flow control device, outside screw-yoke bonnet type, bolted bonnet attachment method, renewable seat ring type: threaded.

Manufacturer part number 3657U for national stock number 4820007817820.

Datasheet

  • Product description

    Stop-lift-check Valve NSN 4820-00-781-7820.

  • MPN or Model

    3657U

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Unit Weight (Est.)
    23.5 lb
  • Flow Control Device
    Disk
  • Bonnet Type
    Outside screw-yoke
  • Bonnet Attachment Method
    Bolted
  • Renewable Seat Ring Type
    Threaded
  • Bolt Hole Quantity
    4 1st end
  • Valve Operation Method
    Manual
  • Flange Shape
    Round with holes 1st end
  • Connection Type
    Flange 1st end
  • Mounting Position
    Vertical
  • Features Provided
    Bonnet packing
  • Valve Size
    1.000 inches
  • Outside Diameter
    4.875 inches 1st end
  • Thickness
    0.688 inches 1st end
  • First Connection Face To Centerline Distance
    4.250 inches
  • Bolt Hole Diameter
    0.750 inches 1st end
  • Second Connection Face To Centerline Distance
    4.250 inches
  • Bolt Circle Diameter
    3.500 inches 1st end
  • Flange Face Design
    Raised straight 1st end
  • Raised Face Height
    0.250 inches 1st end
  • Raised Face Diameter
    2.000 inches 1st end
  • Material
    Steel comp 410 stem
  • Style Designator
    Angle flanged ends
More from these suppliers
Stop-lift-check Valve

A valve with a stem that may be mechanically actuated to three different positions by rotary or linear motion. In the first position, the valve disk is located and locked against the seat permitting no fluid flow through the valve. In the second 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 third 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, lift-check and valve, stop-check.

Mechanic Bill explains Stop-lift-check Valve

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NSN 4820007817820

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
3657U Crane Co
MILV22094 Military Specifications
29973 Crane Co
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