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 6610-01-158-2988
NSN 5996-01-537-0084
NSN 5915-01-024-8200
NSN 5895-00-827-0240
NSN 5915-01-150-1658
NSN 5990-01-170-6081
NSN 5855-01-364-9810
NSN 6145-00-635-9957
NSN 7035-01-053-4769
NSN 6150-00-273-9014
NSN 5996-01-211-8067
NSN 5945-01-441-9370