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 5965-01-101-2187
NSN 5835-01-073-2455
NSN 5855-01-467-3802
NSN 5999-00-686-4992
NSN 5985-00-328-4000
NSN 5998-01-630-6642
NSN 5905-00-917-2381
NSN 5835-01-442-6482
NSN 7035-01-049-6776
NSN 5950-00-233-1108
NSN 4140-01-632-3377
NSN 6650-00-869-5760