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 5895-01-630-8781
NSN 5895-00-203-2379
NSN 6105-00-491-9945
NSN 5935-01-225-2643
NSN 5950-01-274-5428
NSN 5835-01-615-0451
NSN 5920-01-066-6926
NSN 6130-01-198-8857
NSN 5925-00-539-8372
NSN 6620-01-354-2824
NSN 5975-00-913-2313
NSN 5920-01-536-7173