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 6620-01-425-8257
NSN 6135-01-106-7740
NSN 5945-00-107-7334
NSN 5905-00-093-7990
NSN 6610-00-124-2876
NSN 5996-00-316-5115
NSN 5975-01-201-8290
NSN 5895-01-462-6022
NSN 6135-00-577-8429
NSN 5996-00-777-7134
NSN 5910-01-422-9760
NSN 5998-01-107-1219