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 7035-00-300-3208
NSN 5945-01-643-8461
NSN 5935-01-077-5455
NSN 5965-01-449-1101
NSN 5965-01-068-2714
NSN 5925-00-522-2593
NSN 6105-01-148-1679
NSN 5920-01-299-0677
NSN 5965-01-107-4078
NSN 6650-01-041-9846
NSN 6220-01-317-5658
NSN 6240-01-486-6247