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 5975-01-064-5861
NSN 5925-01-630-5817
NSN 5990-01-370-7912
NSN 5935-00-320-4357
NSN 6150-01-317-3294
NSN 5920-01-334-7385
NSN 5950-01-494-5588
NSN 6105-01-025-5981
NSN 6135-01-089-4888
NSN 5965-00-592-0812
NSN 5930-00-826-9702
NSN 5905-00-794-3186