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 5905-01-124-2023
NSN 6110-01-226-7687
NSN 5960-00-488-4798
NSN 5915-01-168-3887
NSN 5975-01-427-3521
NSN 6135-01-424-1114
NSN 5930-01-089-8045
NSN 5960-00-943-1571
NSN 5945-01-087-0165
NSN 6145-01-654-0223
NSN 7035-01-445-3563
NSN 5930-01-078-4944