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 6650-01-130-6799
NSN 2925-01-055-7607
NSN 6145-01-089-9879
NSN 4140-01-538-2846
NSN 6650-00-264-0664
NSN 5910-01-036-0632
NSN 2925-01-098-9549
NSN 5930-00-932-3143
NSN 6620-00-864-1120
NSN 2925-01-514-3865
NSN 5935-01-492-9889
NSN 6610-00-969-9513