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 5835-01-235-9051
NSN 5998-01-171-1004
NSN 5920-01-527-3306
NSN 5935-00-801-3537
NSN 4140-00-319-0756
NSN 5960-01-244-1969
NSN 6150-01-106-3646
NSN 5960-01-428-7300
NSN 5855-01-461-7726
NSN 4140-01-117-4316
NSN 6620-01-206-5748
NSN 5985-01-543-6931