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 6320-01-078-8257
NSN 6650-00-404-6473
NSN 5925-01-411-3048
NSN 5835-01-432-8801
NSN 4140-01-016-3143
NSN 5895-01-533-7065
NSN 5945-01-388-2953
NSN 5835-01-160-7282
NSN 5965-01-088-5414
NSN 5935-01-063-9924
NSN 5950-01-459-1379
NSN 5905-00-617-9810