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 6150-01-339-1207
NSN 5920-01-249-7616
NSN 5835-01-610-5744
NSN 5990-01-114-5095
NSN 6110-01-423-8250
NSN 6145-01-653-7414
NSN 6220-00-541-8515
NSN 5999-01-314-9462
NSN 5960-00-135-9489
NSN 7035-01-418-5499
NSN 5895-00-518-1593
NSN 5999-01-431-7323