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 5930-00-866-3223
NSN 5920-01-125-6469
NSN 5920-00-489-2202
NSN 4140-01-459-1864
NSN 5999-01-593-5870
NSN 5960-01-116-2092
NSN 6610-01-568-5241
NSN 6650-01-406-3086
NSN 5996-01-432-5362
NSN 5910-01-408-0644
NSN 5905-00-440-0326
NSN 6685-01-631-8124