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 2925-00-373-8837
NSN 5915-01-139-5441
NSN 4140-01-429-5953
NSN 5960-01-599-9821
NSN 2925-01-541-5031
NSN 6610-01-116-2527
NSN 5915-01-441-2238
NSN 6105-01-164-6641
NSN 5835-00-494-1701
NSN 5930-01-365-6756
NSN 5895-01-090-3433
NSN 6150-00-332-8332