All corners chamfered 0.060 in. By 45 degrees typical
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: Articles of plastics & articles of other materials of heading 3901 to 3914, nesoi
NSN 5975-00-857-9127
NSN 4140-00-283-6843
NSN 5905-01-547-6921
NSN 5996-00-957-7923
NSN 5960-01-031-1759
NSN 5999-01-582-7256
NSN 5930-01-590-8390
NSN 5930-01-301-9028
NSN 6610-01-078-0025
NSN 5975-00-725-6860
NSN 5960-00-153-7115
NSN 5935-01-378-5937