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 5935-00-834-4912
NSN 5998-01-088-8138
NSN 5835-00-816-0394
NSN 5975-01-418-1858
NSN 5985-01-237-9455
NSN 6135-01-391-6515
NSN 5960-00-161-3056
NSN 6135-01-151-2705
NSN 5835-01-514-5758
NSN 6105-00-785-8316
NSN 5910-00-353-6649
NSN 5835-01-200-7153