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 6220-00-843-1441
NSN 5925-01-170-4150
NSN 2925-00-149-0760
NSN 6145-00-192-3094
NSN 5965-01-107-8549
NSN 5998-01-524-0271
NSN 5855-01-091-9966
NSN 5925-01-572-6709
NSN 5999-01-391-3754
NSN 6145-01-584-9541
NSN 5950-01-420-6267
NSN 6620-01-369-5876