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 5996-01-521-0367
NSN 5996-00-067-5219
NSN 5990-00-807-3623
NSN 6145-01-435-4190
NSN 6620-01-147-0441
NSN 2925-00-453-4100
NSN 5920-01-327-7125
NSN 6105-00-830-4731
NSN 2925-01-448-2880
NSN 6145-01-216-8291
NSN 7035-01-092-8962
NSN 5960-01-224-3850