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 5985-01-198-9295
NSN 5935-00-020-2954
NSN 5975-01-513-6736
NSN 6620-01-199-4005
NSN 5855-00-466-2309
NSN 6220-01-200-8051
NSN 6220-01-614-0811
NSN 5920-01-270-9989
NSN 5915-00-603-7062
NSN 5895-01-254-1219
NSN 5855-01-406-7237
NSN 5965-01-605-1753