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 5960-01-416-2544
NSN 5975-01-205-1074
NSN 6620-01-161-3704
NSN 5920-01-568-8995
NSN 5998-01-179-0114
NSN 5935-01-654-3630
NSN 5915-01-191-5334
NSN 6135-01-086-8167
NSN 6105-01-276-5362
NSN 5990-01-175-2597
NSN 5990-01-437-4876
NSN 7035-00-455-7666