The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of a specific gas turbine component, identified by NSN 7R-2840-013660532-XQ. The procurement involves a quantity of 15 units, with delivery terms set to FOB Origin, and requires engineering source approval to ensure the quality and reliability of the part, which is critical for flight operations. Only sources previously approved by the Government will be considered, and interested parties must submit detailed qualifications and source approval documentation within 45 days of this presolicitation notice. For further inquiries, potential bidders can contact Charles F. Horan at (215) 697-1303 or via email at CHARLES.F.HORAN@NAVY.MIL.