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 6240-00-929-0585
NSN 5975-01-508-4139
NSN 6645-01-517-0259
NSN 6150-01-583-7373
NSN 5835-01-460-0582
NSN 6105-00-053-4162
NSN 5998-00-338-7373
NSN 5895-01-333-3107
NSN 5998-01-113-2503
NSN 4140-00-899-3086
NSN 5996-00-737-0646
NSN 5975-01-017-2738