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 5998-01-134-9358
NSN 2925-01-271-8727
NSN 6610-01-004-5856
NSN 5975-00-161-0026
NSN 5910-01-046-7444
NSN 6110-01-308-4492
NSN 5999-01-431-8878
NSN 5910-01-336-5332
NSN 5895-00-170-4568
NSN 6145-01-524-7113
NSN 5920-01-420-5768
NSN 6650-01-136-9194