The Department of Defense, specifically the Department of the Navy's NSWC Crane, is soliciting proposals for the sole source procurement of TR-143A Transducers, which are critical components for the SP24 Navigation Subsystem utilized by the U.S. Navy's submarine fleet. The contract entails the fabrication, assembly, inspection, and delivery of these transducers in accordance with detailed specifications and the Statement of Work (SOW), emphasizing compliance with ISO 9001 standards and rigorous quality assurance protocols. These transducers play a vital role in ensuring the operational effectiveness and safety of naval operations. Interested contractors should contact Kori Johnston at kori.a.johnston.civ@us.navy.mil for further details, and they must be prepared to submit quality assurance and management plans within 90 days of contract award.