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 6135-01-265-1384
NSN 2925-00-240-7820
NSN 5990-01-210-9788
NSN 5996-00-089-8383
NSN 5965-01-608-8728
NSN 5985-01-584-7863
NSN 5930-01-199-4237
NSN 6150-01-408-6209
NSN 2925-01-418-8106
NSN 5990-00-288-1820
NSN 6240-01-493-8365
NSN 6650-00-213-7065