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 5950-01-576-8710
NSN 5975-00-273-0790
NSN 5935-01-568-8491
NSN 6610-01-130-5101
NSN 5925-01-614-0838
NSN 5895-01-469-9883
NSN 6220-01-197-7387
NSN 6645-01-212-9474
NSN 5975-01-443-2987
NSN 6220-01-086-5691
NSN 5985-00-893-0532
NSN 2925-00-899-4261