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 6145-01-215-6923
NSN 5835-01-168-6256
NSN 6645-01-578-7959
NSN 5999-01-204-4935
NSN 6610-00-077-3172
NSN 5895-01-601-1651
NSN 5930-01-564-8003
NSN 2925-01-121-3355
NSN 5985-01-580-7995
NSN 5945-01-351-7134
NSN 5990-01-365-6016
NSN 5996-00-553-4202