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 6130-01-037-5791
NSN 5999-01-454-6937
NSN 5945-00-769-9625
NSN 5835-00-807-5632
NSN 4140-01-304-5882
NSN 5950-01-157-8144
NSN 5945-01-467-9234
NSN 5998-01-416-9167
NSN 5950-01-278-9057
NSN 5910-01-513-6221
NSN 6150-01-655-3816
NSN 6320-01-466-4175