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 6150-00-949-5242
NSN 6220-00-125-9614
NSN 5930-01-004-9892
NSN 5950-01-192-4368
NSN 5905-00-895-7667
NSN 6135-00-145-8884
NSN 5855-01-161-8964
NSN 6650-00-754-2276
NSN 5996-01-262-8953
NSN 6130-01-426-8841
NSN 5998-01-438-5301
NSN 5975-00-946-1390