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 2925-01-032-3814
NSN 6135-01-310-9866
NSN 5990-00-045-7929
NSN 6150-01-231-6662
NSN 5920-01-018-0146
NSN 6145-00-553-8196
NSN 5999-01-435-4895
NSN 5855-00-885-8452
NSN 5855-01-225-3472
NSN 5930-01-292-1108
NSN 6610-00-548-3452
NSN 6110-01-090-8718