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 5999-00-142-9629
NSN 5945-01-534-3664
NSN 6110-01-613-0268
NSN 6145-01-406-3387
NSN 5999-00-583-2661
NSN 4140-00-868-6824
NSN 6645-01-592-0540
NSN 5895-00-650-0376
NSN 5905-01-396-2752
NSN 6650-00-211-6302
NSN 6130-01-368-3305
NSN 5990-01-468-1292