Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a Total Small Business Set-Aside for the repair/modification of a TRANSMITTER,POSITIO used for navigational instruments. The procurement target is NSN 7H-6605-014710982, with a quantity of 1 EA. The delivery location is W25G1U, W1A8 DLA DISTRIBUTION, NEW CUMBERLAND, PA 17070-5002. The Government does not own the data or rights to the data needed for this part, making it uneconomical to buy or reverse engineer. The proposed contract action is for supplies or services that will be solicited and negotiated with only one source. All responsible sources may express their interest and capability to respond to the requirement. This notice is not a request for competitive proposals, but all received proposals within 45 days will be considered. The Government will determine whether to conduct a competitive procurement based on the information received. The Government is not using the policies contained in FAR Part 12 for this solicitation, but interested persons may identify their interest and capability to satisfy the requirement with a commercial item within 15 days. The acquisition may be subject to Free Trade Agreements.