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 5998-01-583-0549
NSN 6685-01-580-1630
NSN 6685-01-251-3797
NSN 2925-00-583-9152
NSN 6105-01-281-2664
NSN 5910-01-378-6721
NSN 6145-00-947-5883
NSN 5935-01-375-5943
NSN 5835-00-083-6557
NSN 5895-01-108-7895
NSN 5950-01-193-0262
NSN