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 6150-01-437-9087
NSN 5920-01-168-7810
NSN 5990-00-615-9973
NSN 6220-01-299-9267
NSN 5985-00-028-4142
NSN 5975-01-241-8731
NSN 5960-01-090-9291
NSN 5905-01-142-0300
NSN 5930-01-620-3030
NSN 5975-01-104-1839
NSN 6240-00-391-6402
NSN 5999-01-315-6427