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 5895-01-056-4548
NSN 2925-00-419-5868
NSN 5960-00-810-8560
NSN 6220-00-517-9300
NSN 6145-01-029-4184
NSN 5945-00-579-0243
NSN 7035-01-364-8454
NSN 5965-01-006-8613
NSN 5930-01-440-3786
NSN 6150-00-753-3950
NSN 6240-00-841-6367
NSN 6240-01-394-6692