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 5945-01-049-1995
NSN 5998-01-003-4226
NSN 5935-00-449-0751
NSN 5935-01-104-4740
NSN 2925-01-481-7170
NSN 7035-00-153-3826
NSN 6130-01-057-5586
NSN 6240-00-334-6766
NSN 6620-01-343-4920
NSN 6610-01-169-9491
NSN 5925-01-212-1492
NSN 5965-00-035-4556