The Department of Defense, specifically the Department of the Navy, is seeking proposals for the repair and modification of power supplies under the presolicitation notice titled "61--POWER SUPPLY, IN REPAIR/MODIFICATION OF." The procurement involves a quantity of 16 electrical converters (NSN 7H-6130-012646981-GL) that must be delivered to designated distribution centers in Pennsylvania and California, with specific requirements indicating that the data necessary for competitive procurement is not available. This contract is set aside for small businesses, and interested parties are encouraged to express their capabilities within 45 days of the notice, although the government intends to negotiate with only one source under FAR 6.302-1. For further inquiries, interested vendors can contact Christian D. Spangenberg at (717) 605-5192 or via email at CHRISTIAN.SPANGENBERG@NAVY.MIL.