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 6130-01-158-6139
NSN 6145-01-651-8266
NSN 5999-01-607-9837
NSN 5975-01-352-5853
NSN 5965-01-464-9885
NSN 5950-00-985-2037
NSN 6240-01-355-4425
NSN 6240-01-502-7103
NSN 5945-01-541-4309
NSN 5910-01-367-5953
NSN 5999-00-936-7789
NSN 5999-01-556-7420