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 5925-00-343-6747
NSN 5835-01-654-4570
NSN 5915-01-112-1237
NSN 5998-00-199-9399
NSN 6650-00-610-3956
NSN 6105-00-265-7545
NSN 6150-01-072-2275
NSN 5910-01-143-1012
NSN 6130-01-024-9557
NSN 6220-01-385-5392
NSN 6220-00-184-0362
NSN 5920-01-334-9848