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 5990-00-050-4369
NSN 5950-01-496-7818
NSN 5905-01-079-8906
NSN 5990-01-604-0862
NSN 5925-01-563-5723
NSN 6130-01-105-0943
NSN 6110-01-509-2941
NSN 5998-01-018-5105
NSN 5999-01-308-8033
NSN 5915-01-500-8059
NSN 5925-01-236-0912
NSN 6110-00-299-0260