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 5855-01-020-7982
NSN 6220-01-461-2910
NSN 5915-01-422-8722
NSN 6105-00-411-3080
NSN 6150-01-415-5148
NSN 5915-01-141-6726
NSN 5925-01-264-2752
NSN 6145-00-174-9344
NSN 5985-00-823-4645
NSN 5895-01-422-2891
NSN 6145-00-174-9344
NSN 5835-01-392-7683