Presolicitation DEPT OF DEFENSE DEPT OF THE NAVY is seeking a contractor to repair/modify a reciprocating pump. This pump, with National Stock Number (NSN) 7H-4320-015352315, is used for a specific purpose and the government does not own the data or rights to purchase it from other sources. Interested parties can obtain relevant documents from the DoD Single Stock Point in Philadelphia, PA. The proposed contract action is intended for a single source, but all responsible sources can express their interest within 45 days. The government is not using the policies in FAR Part 12 for this solicitation, but interested parties can identify their capability to provide a commercial item within 15 days.