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 6645-00-008-3944
NSN 5835-01-349-4406
NSN 5990-00-840-6571
NSN 5985-00-968-0691
NSN 6130-00-332-9359
NSN 7035-01-496-0855
NSN 5950-00-146-4960
NSN 5998-00-624-8510
NSN 5910-00-248-6899
NSN 4140-01-590-5729
NSN 5965-00-434-7617
NSN 5945-01-244-4851