45.0 degrees by 0.047 in deep chamfer on edge of both sides
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 7035-00-020-2227
NSN 5990-00-257-2637
NSN 6110-01-168-8506
NSN 5835-01-412-0344
NSN 6150-01-605-2807
NSN 5895-00-823-5976
NSN 5915-01-120-8883
NSN 6150-00-557-8981
NSN 5996-01-611-7204
NSN 5915-00-907-9558
NSN 6650-00-262-2324
NSN 6130-01-435-3324