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 6145-00-104-7789
NSN 5985-01-237-2570
NSN 5935-01-435-5204
NSN 6240-00-906-6116
NSN 5855-01-433-3197
NSN 4140-01-145-4474
NSN 6650-01-258-0811
NSN 6130-00-758-4485
NSN 5950-01-515-8007
NSN 6650-01-437-9557
NSN 6130-00-900-4758
NSN 6130-01-467-5088