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 4140-00-930-4673
NSN 5835-01-481-4204
NSN 5895-01-246-2475
NSN 6130-01-140-7773
NSN 5915-01-363-0592
NSN 6145-01-456-0903
NSN 6130-01-302-6769
NSN 5925-01-495-0602
NSN 5905-01-025-0281
NSN 6105-00-194-8814
NSN 5950-00-924-8805
NSN 6650-00-549-5672