The AN-6530 were a mid-World War II production modification for both the Army and Navy. The AN-6530 were a essentially a strengthened version of the Army Air Forces Type B-7 flying goggles. This pair was worn by Lt. Louis R. Purnell of the 99th Fighter Squadron, United States Army Air Forces.
This object is not on display at the National Air and Space Museum. It is either on loan or in storage.