This is a sole-source procurement to MSI Transducers Corp. for hardware repair to an AN/AQS-20 Multi-Function Side Aperture Sonar (MFSLS), per the attached redacted justification. Although sole source, the Government will review and consider capability statements or quotes submitted in response. Quotes must include a comprehensive Capabilities Statement, verified proof of past performance for similar work, and the vendor’s CAGE code. Questions or comments should be emailed to terra.s.roberts.civ@us.navy.mil, with the solicitation number and vendor name at the beginning of the email subject line.