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 5999-01-174-0302
NSN 7035-01-512-1826
NSN 5910-01-512-3427
NSN 5915-01-240-6450
NSN 5945-01-006-3280
NSN 6620-00-382-8827
NSN 5895-01-541-2329
NSN 6105-00-553-8943
NSN 5985-01-418-1999
NSN 5998-01-072-0615
NSN 5945-01-176-7270
NSN 6130-00-240-2438