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 6150-01-071-5717
NSN 5950-00-620-5819
NSN 6240-01-653-5998
NSN 5835-00-373-2671
NSN 6135-01-100-3593
NSN 5965-01-443-5490
NSN 6240-01-618-0696
NSN 5920-00-827-1094
NSN 6220-01-184-0228
NSN 5930-01-030-0642
NSN 5998-01-034-1452
NSN 5930-01-481-2916