Solicitation Number N66604-26-R-0068 is released and is attached as part of this notice. The Naval Undersea Warfare Center, Division Newport (NUWCDIVNPT) has a requirement to establish a five-year indefinite delivery indefinite quantity (ID/IQ) production contract for DT-574 Hydrophones. The work to be performed under the contract is for the contractor to design, document, manufacture, test, package and deliver first article and production Hydrophones that meet the performance requirements of the DT-574 Critical Item Performance Specification (CIPS). Some of the drawings and GFI are marked “DISTRIBUTION STATEMENT D - Export Controlled.” Distribution is authorized to the Department of Defense (DoD) and U.S. DoD contractors only. In order to view the documents, please follow the instructions in Section L. Please contact Andrew Kenyon at Andrew.kenyon3.civ@us.navy.mil and Bradley Wicks at Bradley.R.Wicks2.civ@us.navy.mil with any questions regarding this solicitation.