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 6685-00-829-2797
NSN 5945-00-872-1357
NSN 5910-01-367-2738
NSN 6105-00-209-5788
NSN 5925-01-447-4153
NSN 5996-00-186-8709
NSN 5950-01-492-5919
NSN 2925-00-082-8219
NSN 6645-00-413-0461
NSN 5999-01-437-0747
NSN 5935-01-565-1048
NSN 6130-01-502-9155