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 5915-01-322-4512
NSN 2925-00-156-4495
NSN 5996-01-457-2001
NSN 5965-00-239-3471
NSN 5930-01-241-0590
NSN 7035-00-403-5340
NSN 5935-00-829-2711
NSN 5910-01-512-8782
NSN 6320-01-314-8017
NSN 4140-00-254-7257
NSN 5895-01-459-7170
NSN 5855-01-364-1005