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 6135-00-284-1406
NSN 6130-00-560-6547
NSN 2925-01-430-4206
NSN 5895-01-364-8459
NSN 5950-00-833-9024
NSN 6610-00-632-9502
NSN 5935-00-207-5796
NSN 5920-01-581-9478
NSN 5910-01-293-9665
NSN 5998-01-063-1696
NSN 6150-00-583-9878
NSN 5990-01-623-0082