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 5960-01-185-4216
NSN 5975-00-152-1148
NSN 4140-01-648-4791
NSN 5996-01-350-1077
NSN 5835-01-384-3206
NSN 5999-00-649-9022
NSN 6110-00-314-3208
NSN 5945-01-634-0588
NSN 6145-01-036-9262
NSN 6610-01-500-2415
NSN 5999-00-946-0947
NSN 5930-01-386-2415