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 6610-00-322-2186
NSN 5990-00-916-3872
NSN 5905-00-201-0513
NSN 5915-01-273-5465
NSN 6145-00-985-2043
NSN 6240-00-074-8798
NSN 6610-00-582-1107
NSN 5855-01-380-2708
NSN 5950-01-461-8119
NSN 5950-01-424-0068
NSN 6145-01-288-2154
NSN 5999-00-098-6587