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 6610-00-641-3015
NSN 5930-01-018-6105
NSN 2925-01-197-7864
NSN 5990-01-621-6969
NSN 5975-01-482-4904
NSN 6240-01-384-8802
NSN 5950-01-643-1029
NSN 5920-01-626-8038
NSN 5910-01-025-6987
NSN 5910-00-764-2177
NSN 6105-01-463-8557
NSN 2925-00-536-4574