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 6145-01-359-8028
NSN 5950-01-427-3723
NSN 7035-01-146-7096
NSN 5999-00-529-0157
NSN 5999-01-471-0769
NSN 6240-01-611-6563
NSN 6610-01-525-8235
NSN 4140-01-660-3715
NSN 5985-01-153-7963
NSN 5855-00-198-3197
NSN 7035-00-300-3208
NSN 5985-01-048-5058