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 5855-00-494-9581
NSN 5915-01-253-0105
NSN 5925-01-651-9168
NSN 5950-00-161-4419
NSN 5915-01-187-5755
NSN 5855-00-089-3974
NSN 5999-01-147-5856
NSN 5895-00-146-1366
NSN 5925-01-601-4144
NSN 5855-01-470-9403
NSN 5950-00-064-4087
NSN 5945-00-317-4812