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 4140-00-274-9638
NSN 5998-01-038-7089
NSN 7035-01-093-5378
NSN 5930-01-445-5408
NSN 6610-00-432-7162
NSN 5996-00-543-1566
NSN 5835-01-226-0714
NSN 5930-00-553-1680
NSN 6240-01-356-2934
NSN 6650-01-204-2524
NSN 6130-01-347-0370
NSN 6110-01-188-3867