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 5855-00-466-2309
NSN 5965-00-486-7907
NSN 6110-00-646-4421
NSN 5925-01-329-5890
NSN 5925-00-272-8959
NSN 4140-01-461-9064
NSN 6110-01-044-7243
NSN 6650-00-992-4540
NSN 5998-01-428-7824
NSN 5910-00-596-3179
NSN 5930-00-299-3428
NSN 5985-01-433-2283