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 6110-00-701-0765
NSN 7035-00-003-7518
NSN 6220-01-426-8824
NSN 6620-00-299-2530
NSN 6620-01-495-7446
NSN 6220-00-200-7888
NSN 5930-01-007-4386
NSN 5999-01-074-3513
NSN 5920-01-406-5648
NSN 5996-00-446-1701
NSN 5985-00-703-0999
NSN 5925-01-463-6416