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 5895-00-239-2298
NSN 5985-01-165-7862
NSN 5910-01-484-9726
NSN 7035-00-055-9778
NSN 5910-01-288-2847
NSN 6685-01-297-7983
NSN 6220-00-181-9698
NSN 6130-01-589-3730
NSN 2925-01-363-5978
NSN 5965-01-408-4190
NSN 5985-01-011-0768
NSN 5985-01-599-0723