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 6150-00-756-2875
NSN 5920-01-062-1369
NSN 6220-00-141-6150
NSN 2925-00-544-5159
NSN 5990-00-078-8529
NSN 5855-01-020-7982
NSN 7035-00-941-4949
NSN 6145-01-265-3807
NSN 6645-01-407-6448
NSN 5999-01-323-4522
NSN 5920-01-051-0090
NSN 5920-00-190-7322