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 5999-01-549-5578
NSN 6620-01-246-4314
NSN 5990-01-074-6549
NSN 6135-01-068-0119
NSN 5855-00-133-5897
NSN 6320-01-574-1915
NSN 6105-01-380-0004
NSN 5905-01-519-6087
NSN 5920-01-569-8901
NSN 6620-01-392-7191
NSN 5950-01-603-4914
NSN 6105-00-085-5713