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 5930-01-383-0279
NSN 5985-00-155-5991
NSN 5835-01-566-5462
NSN 5905-01-312-1759
NSN 6220-01-194-6591
NSN 5945-01-431-5195
NSN 6650-01-056-4158
NSN 5925-00-384-8023
NSN 4140-00-814-5987
NSN 6650-01-472-6753
NSN 5996-01-309-3085
NSN 6110-00-227-0578