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 6685-00-400-8389
NSN 5920-00-921-3749
NSN 6110-00-052-2655
NSN 5996-00-691-6554
NSN 6105-00-153-7967
NSN 6110-01-400-4207
NSN 6620-01-486-8002
NSN 5915-01-241-1803
NSN 5935-01-056-5176
NSN 5930-01-491-7740
NSN 6620-01-528-7510
NSN 6130-01-324-3432