DUBAI - Egypt's purchase of Russian fighter jets puts it at risk of U.S. sanctions and endangers future acquisitions of U.S. equipment, a U.S. state department official said on Monday.

Egypt is aware of those risks, U.S. Assistant Secretary for Political-Military Affairs R. Clarke Cooper said at the Dubai Airshow.

(Reporting by Alex Cornwell, writing by Nafisa Eltahir, Editing by Catherine Evans) ((Nafisa.Eltahir@thomsonreuters.com; +971 56 226 1754;))