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 5930-01-492-1796
NSN 6610-01-627-0642
NSN 5960-01-383-6262
NSN 6135-00-505-0679
NSN 6130-00-262-3385
NSN 5835-01-227-2318
NSN 6320-01-253-1028
NSN 5950-01-372-5396
NSN 4140-01-180-5576
NSN 5950-01-174-4468
NSN 5935-01-392-1385
NSN 5835-01-632-6627