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 6620-01-519-2628
NSN 5920-01-264-4950
NSN 6240-01-413-0734
NSN 5920-01-352-3625
NSN 5965-00-905-6895
NSN 6105-00-770-7237
NSN 5999-00-754-7683
NSN 6240-01-201-9218
NSN 5895-01-339-9390
NSN 5975-01-158-3570
NSN 6645-01-166-3788
NSN 5999-01-571-8907