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 5915-00-223-5308
NSN 5930-00-081-0362
NSN 6650-01-520-6130
NSN 6135-00-403-0213
NSN 5905-01-388-7151
NSN 5999-01-330-5180
NSN 5920-01-025-6989
NSN 5920-00-348-9134
NSN 5905-01-589-5338
NSN 5999-01-133-5985
NSN 5950-01-567-8210
NSN 5996-01-252-8275