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 5985-00-194-1559
NSN 5965-01-150-3400
NSN 5960-01-458-6484
NSN 6610-00-106-9720
NSN 6610-01-406-6696
NSN 6240-01-633-6350
NSN 6110-01-197-7674
NSN 5960-01-073-2789
NSN 5990-00-953-9916
NSN 5996-01-158-2883
NSN 5905-00-577-7752
NSN 5910-01-529-4844