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 5930-01-617-9462
NSN 2925-01-327-3069
NSN 5975-01-441-1766
NSN 6320-00-593-0379
NSN 5998-00-350-0257
NSN 6650-01-378-6868
NSN 2925-01-387-0870
NSN 5905-01-608-4174
NSN 5998-00-409-0999
NSN 6105-01-587-5610
NSN 5895-01-044-3201
NSN 6240-01-177-3305