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 5990-01-300-7801
NSN 4140-00-733-7936
NSN 4140-01-364-9797
NSN 5990-00-539-7859
NSN 5915-00-553-8755
NSN 5998-01-114-6252
NSN 5985-01-090-0098
NSN 6240-01-499-9150
NSN 7035-01-007-1802
NSN 5950-01-296-5409
NSN 4140-01-469-2266
NSN 2925-01-564-8043