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 5910-01-240-2261
NSN 6240-00-773-2872
NSN 6135-01-597-7685
NSN 2925-00-221-8529
NSN 5999-00-325-1185
NSN 5915-01-050-4947
NSN 4140-01-080-5114
NSN 6320-01-384-3850
NSN 6110-01-207-0658
NSN 6110-01-025-9773
NSN 5930-01-290-5921
NSN 5965-00-524-5521