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 5945-00-572-5161
NSN 5950-00-480-9307
NSN 5910-00-795-7308
NSN 5996-01-563-2779
NSN 6685-01-634-0611
NSN 6650-01-228-5094
NSN 6650-01-330-6740
NSN 5910-01-019-2554
NSN 5930-01-500-5735
NSN 6220-00-225-8345
NSN 6650-01-214-1710
NSN 6135-01-496-5810