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 5935-01-044-8820
NSN 5910-01-437-3535
NSN 5945-00-439-3579
NSN 5930-01-435-3412
NSN 5920-00-959-2810
NSN 5925-01-196-7878
NSN 5895-01-258-6711
NSN 6150-01-214-7643
NSN 5998-01-460-6892
NSN 4140-01-611-1191
NSN 2925-01-068-3844
NSN 5965-00-313-9049