Presolicitation notice from the Department of Defense, Department of the Navy, for the repair/modification of a radio frequency amplifier. The amplifier, NSN 7H-5996-015575337, is needed in a quantity of 13. The government does not own the data or rights to the data required to purchase or contract repair of this part from additional sources. It is uneconomical to buy or reverse engineer the part. All firms should include their CAGE code on solicitation requests. The government intends to solicit and negotiate with only one source under the authority of FAR 6.302-1. Interested parties may identify their interest and capability to respond to the requirement within 15 days of this notice.