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 5915-01-611-0106
NSN 6145-01-230-5706
NSN 6150-00-155-3578
NSN 5945-01-432-1139
NSN 6110-00-246-3941
NSN 5996-01-258-5888
NSN 5935-00-596-1755
NSN 6645-00-984-7687
NSN 6620-01-649-0748
NSN 6130-01-010-2681
NSN 6150-00-490-9346
NSN 5950-01-180-3384