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 5905-00-349-7055
NSN 6645-00-403-6068
NSN 6110-01-025-8751
NSN 6145-00-657-4755
NSN 5855-00-231-7790
NSN 6135-01-437-9178
NSN 6240-01-445-4232
NSN 5945-01-564-6595
NSN 5910-01-141-2715
NSN 5998-01-174-2174
NSN 6105-01-634-0322
NSN 6645-01-085-8879