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 6130-00-613-7448
NSN 6145-01-187-2034
NSN 6650-01-387-9381
NSN 6105-01-447-5129
NSN 6130-01-177-4472
NSN 5930-00-753-8777
NSN 5945-00-067-6406
NSN 5998-01-458-3407
NSN 6645-01-447-6777
NSN 5920-00-832-0320
NSN 6135-01-070-3865
NSN 6610-00-021-2259