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 5910-01-468-9478
NSN 6105-01-420-5624
NSN 2925-01-642-3255
NSN 6220-01-049-7204
NSN 6240-01-242-9138
NSN 6145-01-179-6630
NSN 5998-01-258-0078
NSN 6220-00-465-2925
NSN 5996-01-003-7206
NSN 5835-00-247-0161
NSN 5950-01-275-9321
NSN 6620-00-851-1487