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 5855-00-688-9954
NSN 6135-01-462-4442
NSN 5910-01-445-1690
NSN 5950-01-313-1415
NSN 5950-00-290-8090
NSN 5835-01-641-0073
NSN 6620-01-088-1272
NSN 5999-00-067-9041
NSN 5975-00-003-7844
NSN 6110-01-649-9467
NSN 5915-01-545-1501
NSN 6240-01-603-7326