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 5996-01-594-3091
NSN 5985-00-711-9508
NSN 5920-01-418-0863
NSN 5990-01-351-4621
NSN 5996-00-894-0843
NSN 5996-01-504-2065
NSN 5835-01-411-7050
NSN 5835-01-050-7882
NSN 5905-00-294-9445
NSN 6105-01-369-0425
NSN 5990-01-349-8132
NSN 5935-00-219-6229