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 5930-01-008-7921
NSN 5975-00-456-2257
NSN 5965-00-071-0562
NSN 6135-01-556-3352
NSN 5920-01-370-5521
NSN 5950-01-527-4948
NSN 6130-00-255-4196
NSN 5975-01-360-0166
NSN 5999-01-055-7439
NSN 6110-01-392-6829
NSN 5930-01-282-4114
NSN 5999-01-604-4498