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 5999-00-084-8865
NSN 5945-01-608-7663
NSN 5920-01-591-0490
NSN 5965-01-229-4990
NSN 5895-00-252-5565
NSN 4140-00-125-0837
NSN 4140-01-633-6618
NSN 5999-01-301-6775
NSN 6150-01-258-5487
NSN 5965-01-393-8818
NSN 6130-01-244-5516
NSN 6645-01-420-6804