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 5910-00-405-3310
NSN 5935-01-042-2890
NSN 5998-00-851-4139
NSN 5960-00-975-2540
NSN 5996-01-563-8998
NSN 5998-01-596-1793
NSN 5975-01-380-1908
NSN 5950-01-465-4136
NSN 5910-01-299-5293
NSN 6650-01-452-0520
NSN 5905-01-465-7142
NSN 6130-01-057-9534