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NSN 4820-01-550-2981

Flow Switching Valve Block

About this product

Differentiated by solid seflon packing for the stem; like 4820-01-215-1450 except seal material is nitrile.

Manufacturer part number 803-1385714-41AF MOD for national stock number 4820015502981.

Datasheet

  • Product description

    Gate Valve NSN 4820-01-550-2981.

  • MPN or Model

    803-1385714-41AF MOD

  • NMF (National Motor Freight)
    051080 - Faucets, Bibcocks, Gates Valves
  • Thread Class
    3a
  • Bonnet Type
    Inside screw
  • Bonnet Attachment Method
    Threaded
  • Valve Operation Method
    Manual
  • Connection Type
    Threaded external tube
  • Valve Size
    0.750 inches
  • Thready Qty Per Inch (tpi)
    20
  • Maximum Operating Pressure And Media For Which Designed
    400.0 pounds per square inch water-oil-gas
  • Thread Size
    1.125 inches
  • Stem Type
    Rising
  • Maximum Operating Tempurature And Media For Which Designed
    150.0 degrees fahrenheit water-oil-gas
  • Inlet Relationship With Outlet
    Identical
  • Material
    Nickel alloy disk
  • Thread Series Designator
    Un
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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 4820015502981

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Manufacturer Part Numbers and Alternates
MPN manufacturer part number Registrant or Supplier
803-1385714-41AF MOD Naval Ship Systems Command
803-1385714 Naval Ship Systems Command
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