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 5895-00-766-9431
NSN 2925-00-194-7407
NSN 5985-01-436-4163
NSN 5998-01-025-6764
NSN 5925-01-555-7565
NSN 5999-01-219-6366
NSN 6240-01-551-1722
NSN 6135-00-756-6149
NSN 5990-01-582-1977
NSN 5855-00-922-6459
NSN 6610-01-182-1182
NSN 5835-01-014-4574