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 5910-00-753-2850
NSN 6145-01-141-6809
NSN 5999-01-336-0333
NSN 5996-00-149-1287
NSN 5910-00-930-8908
NSN 5915-00-228-0114
NSN 5905-01-314-9491
NSN 6320-01-173-7950
NSN 5910-01-329-1725
NSN 5945-01-183-0411
NSN 6620-01-327-0291
NSN 5996-01-146-9481