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 5910-01-630-2238
NSN 6150-01-530-3600
NSN 5910-01-597-8509
NSN 5945-01-484-4901
NSN 5835-00-228-9082
NSN 6150-01-121-6571
NSN 5990-01-527-7640
NSN 6130-01-082-4187
NSN 5990-01-512-9129
NSN 5835-01-108-4980
NSN 6240-01-089-6149
NSN 5950-01-444-1666