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 6110-00-061-2097
NSN 5965-01-537-0023
NSN 5910-01-478-5969
NSN 5998-01-041-2749
NSN 5985-00-291-1140
NSN 5985-01-303-2107
NSN 6320-00-977-3930
NSN 5990-01-116-2181
NSN 4140-01-227-1342
NSN 5999-01-352-3617
NSN 6240-00-431-4372
NSN 5895-00-136-4960