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 5985-00-377-6669
NSN 5925-01-100-3631
NSN 5920-01-285-5674
NSN 5960-00-692-2887
NSN 6110-01-352-1922
NSN 5999-00-466-0453
NSN 6240-00-267-7428
NSN 5855-00-014-5008
NSN 6130-01-584-9986
NSN 5910-01-552-6266
NSN 5935-01-105-8121
NSN 6105-01-543-3662