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 6150-01-462-4945
NSN 5985-01-334-3302
NSN 6320-01-425-1417
NSN 5950-00-887-9239
NSN 4140-00-040-2084
NSN 5985-00-785-6872
NSN 6620-00-517-6209
NSN 6320-00-422-9006
NSN 6130-00-655-3084
NSN 6320-01-415-0953
NSN 2925-01-183-2897
NSN 5855-01-042-7990