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 5945-00-296-8464
NSN 6150-01-210-3998
NSN 2925-01-197-7864
NSN 5960-01-147-3764
NSN 5930-00-543-7289
NSN 5960-01-497-1780
NSN 5975-01-514-9329
NSN 5985-00-832-6733
NSN 5855-01-519-7929
NSN 2925-01-556-0333
NSN 5975-01-334-1378
NSN 6145-01-341-9056