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 6620-00-182-7638
NSN 4140-01-441-9170
NSN 5990-01-514-8708
NSN 5950-00-438-0635
NSN 5996-01-466-2825
NSN 5920-01-320-9357
NSN 5895-00-661-1773
NSN 6150-01-338-2710
NSN 5905-00-356-3378
NSN 5998-01-139-4789
NSN 6135-01-189-2293
NSN 5950-01-008-9935