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 5996-00-413-4416
NSN 6135-00-866-2311
NSN 5950-01-483-2277
NSN 6610-01-587-1803
NSN 5835-00-074-3700
NSN 5965-01-607-5753
NSN 5985-00-879-4653
NSN 5915-01-578-6153
NSN 6105-01-535-7636
NSN 6110-01-046-6637
NSN 4140-00-501-7833
NSN 5855-01-565-8109