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 5910-00-621-7808
NSN 6620-01-535-6925
NSN 6150-00-518-1402
NSN 6130-01-419-7927
NSN 6105-00-754-8248
NSN 6610-01-007-5997
NSN 6650-00-170-5095
NSN 6610-01-157-0426
NSN 5895-01-221-2016
NSN 6645-00-209-5778
NSN 6105-01-207-0845
NSN 7035-01-467-1049