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 7035-01-191-2822
NSN 5910-01-534-7699
NSN 5990-01-400-3299
NSN 5910-01-463-8168
NSN 5945-01-223-7384
NSN 5920-01-087-6073
NSN 5935-01-179-2835
NSN 6135-00-182-7008
NSN 5905-00-076-6498
NSN 4140-01-627-0681
NSN 6220-01-332-7793
NSN 6150-01-605-1563