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 6645-01-580-3258
NSN 6145-01-408-0736
NSN 5975-00-525-2331
NSN 6105-00-437-0182
NSN 6240-01-082-2242
NSN 6135-01-087-7895
NSN 5998-01-578-6731
NSN 5965-01-429-6726
NSN 5905-01-323-7065
NSN 5895-01-389-4015
NSN 5855-00-911-1370
NSN 5855-01-432-6172