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 2925-01-633-4048
NSN 5999-01-112-7794
NSN 6220-00-343-0182
NSN 4140-01-202-3359
NSN 5996-01-246-4675
NSN 6145-00-286-9588
NSN 5950-01-437-2334
NSN 5998-01-634-0604
NSN 5930-00-356-0786
NSN 5998-00-467-0076
NSN 6240-01-524-0510
NSN 6135-00-196-5267