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 6150-01-192-3991
NSN 5915-01-116-5548
NSN 6145-01-401-3713
NSN 4140-01-519-3349
NSN 4140-01-255-8664
NSN 7035-01-600-0777
NSN 6240-01-605-4455
NSN 5855-01-572-9797
NSN 6110-00-271-9928
NSN 6645-00-871-1187
NSN 5925-00-139-4829
NSN 5930-01-165-3083