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 5996-01-301-1779
NSN 5965-01-375-3675
NSN 6650-01-047-3287
NSN 6620-00-248-6950
NSN 6610-01-566-3304
NSN 5935-01-152-1241
NSN 5950-01-632-1579
NSN 6240-00-462-0461
NSN 5996-01-660-2241
NSN 5965-01-305-7413
NSN 5835-01-442-6482
NSN 5835-01-406-9638