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 5990-01-542-4212
NSN 7035-01-157-0028
NSN 5855-01-634-0259
NSN 5990-01-134-2859
NSN 5930-00-648-3296
NSN 4140-01-430-5310
NSN 6220-01-416-6324
NSN 6150-01-304-0419
NSN 5835-01-481-4204
NSN 5996-01-063-6556
NSN 6650-01-127-9518
NSN 5950-01-627-4779