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 5975-01-428-9118
NSN 5965-01-353-4170
NSN 5990-00-902-0986
NSN 5950-01-513-7544
NSN 5985-01-444-7917
NSN 5920-00-300-1843
NSN 6145-01-439-1957
NSN 5999-01-360-6415
NSN 5960-00-946-2760
NSN 6110-01-495-0771
NSN 6610-01-406-4985
NSN 4140-01-438-2806