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 2925-01-085-0691
NSN 5999-01-610-3061
NSN 6105-01-576-0309
NSN 5985-01-154-4726
NSN 5855-01-369-4192
NSN 7035-01-026-0117
NSN 2925-00-923-9324
NSN 6610-01-328-3400
NSN 5985-01-556-3668
NSN 6130-01-502-9718
NSN 5960-01-328-8248
NSN 5999-00-388-0584