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 5945-01-408-7201
NSN 6610-01-378-4481
NSN 6135-01-116-3385
NSN 5910-00-543-3636
NSN 5935-01-585-1443
NSN 5920-00-617-2084
NSN 5855-01-599-3982
NSN 5855-00-560-0110
NSN 5999-01-505-6826
NSN 4140-01-519-9343
NSN 5950-00-771-9441
NSN 5975-01-412-4237