The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking a contractor for the repair and modification of centrifugal pumps, identified by NSN 7H-4320-015914007. The procurement involves a quantity of four units, which must be delivered to designated distribution centers in Pennsylvania and California, and is classified under the PSC code 4320 for power and hand pumps. This opportunity is crucial for maintaining operational readiness and ensuring the availability of essential equipment, with the government indicating that it will negotiate with only one source due to the proprietary nature of the data required for repair. Interested parties should contact Chris Dare at (717) 605-4614 or via email at CHRISTOPHER.J.DARE2.CIV@US.NAVY.MIL, and must respond within 45 days of this presolicitation notice to express their interest and capability.