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 6105-01-095-2092
NSN 6610-01-287-9814
NSN 6620-01-296-0871
NSN 5915-00-644-5735
NSN 6650-01-317-1011
NSN 5835-00-153-4100
NSN 5998-01-461-8366
NSN 6135-00-295-2614
NSN 5930-01-379-5476
NSN 5945-01-397-2758
NSN 5915-00-781-3019
NSN 4140-01-143-8132