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 6240-00-316-3167
NSN 6240-01-518-6843
NSN 6240-00-446-3700
NSN 6105-01-471-2628
NSN 5960-01-430-3911
NSN 5990-00-864-9055
NSN 6645-01-114-8044
NSN 5998-00-291-0687
NSN 5999-00-562-5435
NSN 6105-01-425-7889
NSN 5895-01-332-0124
NSN 5999-01-600-2644