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 6685-01-297-2370
NSN 6110-01-459-7709
NSN 5835-01-143-9143
NSN 5920-00-174-6641
NSN 6220-00-218-0857
NSN 5910-00-607-3471
NSN 5895-01-612-7368
NSN 5895-00-802-1575
NSN 5910-01-628-0379
NSN 6105-01-085-6002
NSN 5945-01-450-9278
NSN 5975-01-359-1439