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 6150-01-067-4720
NSN 2925-00-233-5644
NSN 5920-00-035-4846
NSN 5930-01-415-0009
NSN 5855-00-089-3974
NSN 5996-00-990-2192
NSN 5990-01-209-3955
NSN 6610-01-067-0228
NSN 5855-01-128-1762
NSN 5920-01-621-6408
NSN 4140-01-150-0740
NSN 5999-00-956-7700