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 5965-00-772-8024
NSN 5905-00-258-3930
NSN 5985-01-579-7460
NSN 6110-01-204-6595
NSN 5925-00-078-9566
NSN 6150-01-603-2069
NSN 2925-01-572-0539
NSN 5895-01-154-0151
NSN 5945-01-430-4328
NSN
NSN 6240-01-219-1375
NSN 5999-00-993-1171