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 4140-01-327-2844
NSN 5835-01-236-6514
NSN 5975-01-590-0822
NSN 5935-01-042-7762
NSN 5975-01-162-6221
NSN 5915-00-259-3772
NSN 5950-00-627-3107
NSN 5935-01-576-0395
NSN 6135-00-276-7625
NSN 5895-00-916-7262
NSN 6135-00-295-2614
NSN 5960-01-507-9112