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 5935-00-775-6759
NSN 5835-01-162-8353
NSN 5975-01-112-5497
NSN 6685-01-466-7828
NSN 6240-00-395-0019
NSN 6685-01-523-5624
NSN 5950-00-290-8090
NSN 5930-01-169-8655
NSN 5996-01-147-6054
NSN 5960-01-601-5565
NSN 5930-01-119-6865
NSN 6645-01-463-4314