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 5855-00-138-2386
NSN 6105-01-334-7555
NSN 5910-00-153-4884
NSN 6105-01-580-3849
NSN 6135-01-368-2785
NSN 6620-01-452-8418
NSN 5960-01-264-9295
NSN 6110-01-335-0580
NSN 5920-00-829-3634
NSN 5920-01-433-3402
NSN 5975-01-103-0185
NSN 6145-01-660-3156