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 6620-00-883-1181
NSN 6650-00-924-3340
NSN 2925-01-417-6815
NSN 5945-00-687-2072
NSN 5975-00-800-3178
NSN 5999-01-364-5844
NSN 5975-00-374-5245
NSN 6620-01-631-5936
NSN 5960-00-804-9034
NSN 5835-01-207-4484
NSN 5945-01-311-9980
NSN 2925-00-943-2263