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 6320-00-164-4087
NSN 6110-01-476-0585
NSN 7035-00-421-8710
NSN 5855-01-565-5030
NSN 6240-00-773-2872
NSN 6240-01-200-7937
NSN 6145-00-730-1399
NSN 5920-00-509-5073
NSN 6145-00-537-3735
NSN 5999-01-109-3091
NSN 5920-01-089-3559
NSN 5990-01-510-4699