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NSN 4820-00-474-2774

Flow Switching Valve Block

About this product

0.250 in. Pipe size;r.H. Thd;18 thds per inch.

Manufacturer part number B144 for national stock number 4820004742774.

Datasheet

  • Product description

    Gate Valve NSN 4820-00-474-2774.

  • MPN or Model

    B144

  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Threaded
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded internal pipe
  • Features Provided
    Bonnet packing
  • Thread Size
    0.250 inches
  • Stem Type
    Rising
  • Material
    Copper alloy body
  • Material Specification
    Qq-c-390, alloy d4 federal specification single material response seat
  • Thread Series Designator
    Npt
Gate Valve

A valve having a flat or tapered disk (gate) which moves transversely to the axis of flow by rotating or sliding movements of the stem to open or close the orifice. It may also contain an oval or rectangular shaped slide which may be manually, motor, or pressure operated through the means of an arm or arm assembly. The body flange may be designed to accommodate tube type connectors. It may or may not contain thermal relief features. Includes valve (gate) specifically designed for the control of fluid systems in aircraft or missiles.

Mechanic Bill explains Flow Switching Valve Block

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NSN 4820004742774

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
B144 Stockham Valves And Fittings Inc
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