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 5920-01-524-9626
NSN 5895-01-025-0971
NSN 2925-01-534-7314
NSN 6150-01-293-7251
NSN 6240-01-400-1311
NSN 5895-01-208-7861
NSN 6135-01-226-4071
NSN 5985-00-189-0599
NSN 2925-01-279-6692
NSN 6220-01-387-3266
NSN 5950-01-175-4494
NSN 6620-01-100-0431