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 4140-01-273-0196
NSN 5920-01-258-5775
NSN 2925-01-394-5650
NSN 5935-01-283-2270
NSN 5905-01-601-6653
NSN 6610-00-894-2143
NSN 6645-00-255-8182
NSN 5855-01-436-7621
NSN 6110-01-152-2840
NSN 6150-01-318-0360
NSN 6220-00-070-3046
NSN 5855-01-264-4610