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 6240-00-181-2503
NSN 5915-01-284-4050
NSN 5960-01-091-2444
NSN 5996-00-998-6341
NSN 5855-01-199-2046
NSN 6130-00-987-3288
NSN 7035-00-574-4223
NSN 5965-00-123-1727
NSN 6650-01-423-1348
NSN 6620-01-525-8648
NSN 5835-00-145-8926
NSN 6130-00-955-1743