Special Features:

Window unit shall conform to mil-w-18445 (rev-d). Window to be non-icing at minus twenty degrees fahrenheit in forty knot wind with sixty-five degrees fahrenheit temperature inside. Electrically heated glass to be 4-ply consisting of 2 ply -1/4 inch thick and 2 ply-3/4 inch thick. De-icing film to be on inside of the outside 1/4 inch glass. All plies to be heat treated. Window shall operate on 440 volts ac single phase at 200 watts per square foot and shall be individually thermostatically controlled with a single on/off switch in each space to control all the windows in the space.

Properties:

A single or multi-piece item(s), curved or flat, with or without frame(s), of transparent material. Designed for mounting in a boat or ship cabin, door, bridge or the like, for protection from water, wind and other foreign matter and to allow visibility.