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 6650-00-864-2942
NSN 5930-00-782-7096
NSN 4140-00-547-5155
NSN 5855-01-302-9778
NSN 5998-00-225-5073
NSN 6620-00-708-1417
NSN 5975-01-429-0022
NSN 5950-00-248-4992
NSN 6645-01-146-1548
NSN 5855-01-483-2774
NSN 5965-00-368-8204
NSN 6320-01-429-5728