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 6645-00-947-0625
NSN 6240-00-493-3693
NSN 5915-00-518-1644
NSN 5910-00-814-1643
NSN 5835-01-132-7002
NSN 5855-00-782-7714
NSN 5999-00-066-2820
NSN 5930-01-091-9092
NSN 5990-01-544-4360
NSN 5915-01-068-2703
NSN 6610-01-598-3036
NSN 5935-01-024-8512