Electrically heated
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6135-01-494-3607
NSN 5950-01-318-5763
NSN 6105-01-453-6111
NSN 5855-01-423-9921
NSN 6130-00-487-9948
NSN 5915-01-408-5980
NSN 6650-01-031-5243
NSN 5905-01-583-1557
NSN 5855-01-593-3985
NSN 6320-01-313-2709
NSN 4140-01-132-9341
NSN 5925-01-126-2640