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 5960-01-089-8155
NSN 5855-00-145-3307
NSN 6220-01-011-0865
NSN 5999-01-184-4060
NSN 5960-00-752-6175
NSN 5990-01-472-2447
NSN 5855-01-372-9728
NSN 6130-01-040-0933
NSN 5990-01-633-9503
NSN 5935-01-452-2993
NSN 6620-01-184-3193
NSN 6610-00-804-2701