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 6130-00-219-6856
NSN 6240-01-463-8276
NSN 5945-00-133-9167
NSN 5855-01-458-8137
NSN 5855-00-337-3679
NSN 5910-01-480-2022
NSN 6620-01-601-4314
NSN 5999-01-327-3067
NSN 7035-00-908-4933
NSN 5905-01-215-1546
NSN 5996-01-409-1860
NSN 4140-01-093-8110