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 5990-01-254-2936
NSN 5835-01-123-4526
NSN 5935-01-025-1624
NSN 5935-01-594-6992
NSN 2925-01-068-3844
NSN 5835-01-424-0054
NSN 5985-01-618-2217
NSN 5996-01-012-5716
NSN 5985-00-872-1905
NSN 6110-01-121-4587
NSN 6145-00-419-7813
NSN 5920-01-331-9148