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 6220-00-279-1508
NSN 6105-01-423-1417
NSN 5930-01-237-9898
NSN 5920-01-290-6937
NSN 5855-00-444-2298
NSN 5950-00-632-3287
NSN 5930-01-367-2786
NSN 6145-00-847-2323
NSN 5975-01-369-6960
NSN 5930-00-288-1882
NSN 6610-00-314-2605
NSN 5996-01-454-6938