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 6105-00-307-6912
NSN 5996-01-271-9927
NSN 5950-01-357-5583
NSN 5920-01-506-3393
NSN 5945-01-633-3355
NSN 6145-01-368-2897
NSN 2925-00-265-7539
NSN 5996-01-589-3984
NSN 5998-01-234-4646
NSN 5930-00-311-6492
NSN 5915-00-404-5207
NSN 6685-01-070-8888