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 5999-01-493-5749
NSN 6145-01-258-4524
NSN 6110-01-168-3446
NSN 5915-01-453-9252
NSN 5990-00-067-6791
NSN 6610-01-500-0863
NSN 6110-01-149-5769
NSN 6610-01-244-7192
NSN 6150-00-519-1334
NSN 6610-01-176-9314
NSN 5999-01-432-9740
NSN 6620-01-431-9176