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 5985-01-324-5543
NSN 5910-01-361-9829
NSN 2925-00-753-8598
NSN 5998-01-203-7168
NSN 5960-01-344-2604
NSN 6240-01-184-2060
NSN 6610-01-278-9704
NSN 5910-00-734-7234
NSN 5990-01-425-2175
NSN 5895-01-169-7834
NSN 6110-00-839-8026
NSN 6150-00-058-8669