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 5960-00-326-9713
NSN 5950-01-007-7120
NSN 6610-00-714-0549
NSN 6130-00-514-1177
NSN 2925-00-608-0856
NSN 6130-01-237-9837
NSN 5999-01-459-8029
NSN 6610-01-257-5808
NSN 5910-00-283-3706
NSN 6105-00-120-0955
NSN 2925-01-141-7563
NSN 5910-01-010-2903