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 5965-01-056-1303
NSN 6135-00-223-9563
NSN 6145-01-075-6250
NSN 6220-01-340-9522
NSN 5975-01-518-0885
NSN 6650-01-100-3185
NSN 5935-00-105-2360
NSN 6130-01-504-2674
NSN 6645-01-044-6376
NSN 6610-01-431-0735
NSN 5975-00-348-7427
NSN 5998-01-554-3405