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 5965-00-482-0913
NSN 5920-01-271-2304
NSN 6650-00-061-2232
NSN 2925-01-376-9236
NSN 5996-01-607-1043
NSN 5950-01-385-4668
NSN 6130-01-051-1405
NSN 6220-01-646-3937
NSN 6220-01-495-6024
NSN 5960-01-365-2320
NSN 5910-01-246-3381
NSN 6620-01-191-5934