Sikorsky Aircraft Corp., Stratford, Conn., was awarded an $8,273,219 firm-fixed-price contract.  The award will provide for the procurement of 5,100 UH-60 Black Hawk helicopter support structures.  Work will be performed in Stratford, Conn., with an estimated completion date of Oct. 31, 2015.  One bid was solicited, with one bid received.  The U.S. Army Contracting Command, AMCOM, Redstone Arsenal, Ala., is the contracting activity (SPRPA1-11-G-001Y).