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 6240-00-434-3771
NSN 5855-00-118-8762
NSN 6610-01-590-5243
NSN 5975-01-456-7638
NSN 5855-01-630-5790
NSN 6130-00-081-2186
NSN 5905-01-370-4989
NSN 5855-01-366-2429
NSN 5945-00-577-3985
NSN 2925-00-728-8118
NSN 5960-01-353-0773
NSN 6220-00-407-3242