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 5910-01-350-1202
NSN 6220-00-422-4461
NSN 6240-00-119-4182
NSN 6110-01-597-9565
NSN 5895-01-493-5237
NSN 6135-00-309-0074
NSN 5945-01-310-7291
NSN 5996-01-008-0704
NSN 6105-01-462-6111
NSN 6130-01-657-0648
NSN 5920-01-459-7374
NSN 5945-01-119-1303