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 6320-00-925-0558
NSN 5960-00-761-7809
NSN 6610-01-009-6354
NSN 5996-00-081-8057
NSN 5975-01-140-3081
NSN 5925-01-146-6691
NSN 5895-01-250-1665
NSN 5999-01-644-0269
NSN 5920-00-594-3124
NSN 6220-00-480-4906
NSN 5975-00-725-1287
NSN 6220-01-449-1877