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 5855-01-424-1090
NSN 6650-00-910-2708
NSN 4140-01-516-5710
NSN 5998-01-212-7836
NSN 5950-01-533-9643
NSN 6685-00-526-9433
NSN 5930-01-592-5130
NSN 5930-00-789-5505
NSN 5930-00-932-3143
NSN 5855-00-079-2370
NSN 5998-00-900-5882
NSN 5945-00-983-5984