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 5905-01-024-1822
NSN 7035-01-064-8212
NSN 5910-01-443-3016
NSN 5855-01-578-6742
NSN 6240-01-310-8598
NSN 5905-00-931-2780
NSN 5925-01-286-2278
NSN 6685-01-517-6909
NSN 5835-01-654-4570
NSN 4140-01-459-1718
NSN 6620-01-145-0271
NSN 6240-00-241-2288