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 5920-00-112-4341
NSN 6130-01-544-7811
NSN 6320-01-253-9585
NSN 5855-00-922-6459
NSN 5855-01-068-3683
NSN 5965-01-627-3702
NSN 6240-01-425-1939
NSN 6110-01-449-4016
NSN 6620-01-270-4660
NSN 6145-01-371-6250
NSN 6105-01-124-3877
NSN 6130-00-708-7543