Presolicitation notice from the Department of Defense, Department of the Navy, for the repair/modification of a power supply assembly. The power supply assembly, NSN 7H-6130-015118015-VN, is required in a quantity of 5 EA and will be delivered to W25G1U, W1A8 DLA Distribution in New Cumberland, PA. The power supply assembly, part number 7104325-9, requires engineering source approval to maintain quality. Interested parties may obtain additional information from the primary contact, MACAYLA N. WELSH, at (717)605-2338 or MACAYLA.N.WELSH.CIV@US.NAVY.MIL. The proposed contract action is a total small business set-aside. The Government intends to solicit and negotiate with only one source. All responsible sources may identify their interest and capability to respond to the requirement. Award will be made only if the offeror, product/service, or manufacturer meets the qualification requirements. The Government is not using the policies contained in FAR Part 12 for this solicitation. The Government may add an option quantity to the resultant contract.