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 5915-01-122-7591
NSN 5920-01-383-0999
NSN 5910-00-116-2753
NSN 5835-01-469-8968
NSN 6130-00-569-2408
NSN 6135-01-495-0933
NSN 5930-00-873-2018
NSN 5945-01-189-1878
NSN 5835-01-126-9358
NSN 5999-01-465-4563
NSN 7035-00-252-7467
NSN 2925-01-270-1124