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 5985-01-004-1814
NSN 6150-00-067-5957
NSN 6145-01-528-7853
NSN 5930-01-424-2642
NSN 5855-00-327-2112
NSN 5855-01-544-5588
NSN 5855-00-791-5000
NSN 5895-00-193-8284
NSN 6320-01-399-6177
NSN 6685-00-932-4258
NSN 5915-00-909-8102
NSN 5895-01-651-6416