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 6650-01-437-9557
NSN 5950-00-557-3770
NSN 5895-01-113-3925
NSN 5965-01-078-6776
NSN 5998-01-457-0694
NSN 5965-00-482-0913
NSN 5925-00-188-8678
NSN 5965-01-580-7754
NSN 5945-01-542-1780
NSN 5935-00-932-2947
NSN 6610-01-425-1523
NSN 2925-01-633-0225