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 5905-00-468-8008
NSN 5935-00-944-0859
NSN 6240-01-425-1659
NSN 5895-00-241-0214
NSN 5975-01-200-3379
NSN 5855-01-020-7982
NSN 5950-01-381-6393
NSN 6685-01-024-9508
NSN 6685-00-295-0824
NSN 6610-01-421-4044
NSN 5999-01-612-1014
NSN 6130-01-100-3285