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 4140-01-529-2846
NSN 6320-01-147-9177
NSN 4140-01-634-0330
NSN 5950-01-164-7388
NSN 6130-01-011-3898
NSN 6130-01-012-7153
NSN 5945-01-442-8081
NSN 5950-00-753-9451
NSN 6240-00-824-4678
NSN 5915-01-359-4847
NSN 6645-00-240-4749
NSN 5945-01-545-8800