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 6130-01-565-2711
NSN 5920-01-081-5800
NSN 5935-01-406-2798
NSN 5998-01-644-6253
NSN 6135-01-056-4609
NSN 5975-01-389-7279
NSN 5990-01-013-4569
NSN 5999-01-180-8274
NSN 5930-00-260-0459
NSN 2925-00-118-4887
NSN 6240-01-492-6529
NSN 5965-01-193-5221