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 5985-01-628-2624
NSN 6650-00-456-5892
NSN 6240-00-004-2516
NSN 5945-01-325-5609
NSN 5960-01-526-3843
NSN 6145-01-412-1297
NSN 5895-01-120-4011
NSN 6150-00-782-5332
NSN 5905-00-126-5947
NSN 5905-01-239-3851
NSN 6220-00-868-5651
NSN 6240-01-421-4025