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 6240-01-032-4624
NSN 6610-01-633-8931
NSN 6650-01-502-2316
NSN 5910-01-425-2677
NSN 5920-00-156-7961
NSN 5855-01-138-4985
NSN 5835-01-468-0579
NSN 5930-00-194-4938
NSN 6135-01-618-2199
NSN 6650-01-473-1355
NSN 5920-01-364-0769
NSN 5996-01-599-9867