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 5990-01-599-7106
NSN 5950-01-530-0855
NSN 5910-00-831-0350
NSN 5895-00-458-4913
NSN 5930-00-035-4739
NSN 4140-01-382-5778
NSN 5930-01-437-5670
NSN 5998-01-603-6780
NSN 6105-00-275-0826
NSN 5925-00-626-4343
NSN 4140-01-552-9754
NSN 6620-00-054-4778