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 2925-01-446-6976
NSN 6130-01-527-7407
NSN 6620-01-401-5356
NSN 5960-01-388-1988
NSN 6105-01-505-3367
NSN 6135-01-574-2040
NSN 5895-01-454-0536
NSN 6650-00-014-2991
NSN 2925-00-251-0105
NSN 5990-01-179-5625
NSN 6110-01-323-7617
NSN 2925-00-504-2363