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 6240-01-401-5340
NSN 6620-00-106-9658
NSN 5935-01-078-4308
NSN 5990-01-517-7848
NSN 2925-01-148-2023
NSN 6145-01-430-2784
NSN 5855-01-334-6594
NSN 5998-00-960-8513
NSN 5990-01-579-2711
NSN 5935-00-259-7723
NSN 5910-00-729-4081
NSN 6620-01-512-0132