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 6150-00-497-6927
NSN 6135-00-369-2368
NSN 5945-00-383-5356
NSN 5945-00-891-2617
NSN 6145-01-204-4869
NSN 6145-00-164-0723
NSN 6105-01-070-6648
NSN 5950-01-407-0599
NSN 5915-01-322-8226
NSN 5920-00-005-7106
NSN 5990-00-337-5359
NSN 5835-01-380-5943