# SAM #N61331-27-Q-TR09

Sole-source repair of AN/AQS-20 MFSLS Receive Array (P/N 8603069)

**Buyer:** Naval Undersea Warfare Center
**Posted:** November 10, 2026
**Respond By:** November 16, 2026
**Identifier:** N61331-27-Q-TR09
**NAICS:** 811210, 334511

The Naval Surface Warfare Center Panama City Division is seeking a sole-source repair of an AN/AQS-20 sonar receive array.
- **Government buyer:** Department of the Navy, Naval Sea Systems Command (NAVSEA), Naval Surface Warfare Center, Panama City Division (NSWC PCD).
- **OEM and vendor:** **MSI Transducers Corp.**, identified as the OEM and sole-source repair provider.
- **Requested service:** Repair the MFSLS Receive Array, part number **8603069**, for the AN/AQS-20 Mine Hunting Sonar System. Quantity is not specified.
- **Scope:** Remove and replace the array’s polyurethane encapsulation; inspect and evaluate the array; and perform acoustic and functional acceptance testing. Work includes labor, materials, testing, and related services to restore operational condition.
- **Notable requirement:** The repair requires MSI’s proprietary tooling, materials, processes, and expertise; the Government identifies MSI as the only capable source.

### Description

<p>This procurement is a Sole Source to MSI Transducers Corp. for hardware repair to a AN/AQS-20 Multi-Function Side Aperture Sonar (MFSLS), in accordance with the attached redacted justification. While this is a sole source action, any capability statements or quotes submitted in response to this announcement before the established closing date and time will be reviewed and considered by the Government. All quotes must include a comprehensive Capabilities Statement, verified proof of past performance for similar work, and the vendor&#39;s CAGE code.</p>

<p>For questions or comments email <u>terra.s.roberts.civ@us.navy.mil</u> on or before the closing date and time listed above. Email subject line must include Solicitation Number and Vendor Name at beginning of subject line</p>

[View original listing](https://sam.gov/opp/421e58b3fd8146f5b62fc00f5d275745/view)