# PIEE #N6660427R0004

NUWCDIVNPT solicitation for TR-317D and TR-353A transducers and spare parts

**Buyer:** Naval Undersea Warfare Center Division Newport
**Posted:** October 09, 2026
**Respond By:** November 10, 2026
**Identifier:** N6660427R0004
**NAICS:** 334511, 334419

NUWCDIVNPT is seeking production of TR-317D and TR-353A undersea transducers and related spare parts.
- **Government buyer:** Naval Undersea Warfare Center Division Newport (NUWCDIVNPT), through the Naval Station Newport contracting office.
- **OEMs and vendors:** No OEMs, manufacturers, or vendors are named in the opportunity.
- **Requested products, maximum quantities:**
  - TR-317D First Article transducers: up to 40, if First Articles are not waived; production transducers: up to 25,000.
  - TR-353A First Article transducers: up to 40, if First Articles are not waived; production transducers: up to 5,500.
  - TR-353A Installation Kits: up to 5,500.
  - TR-353A Housings and End Seals: up to 5,000 of each.
  - TR-317D Vulcanized Body Assemblies and End Seal Assemblies: up to 5,000 of each.
  - Vulcanized Housing Assemblies: up to 5,000.
- **Notable requirements:** Transducers must meet their respective Critical Item Performance Specifications. Spare parts are build-to-print and must follow applicable drawings. The work includes design and documentation for the transducers, plus manufacturing, testing, packaging, and delivery of the transducers and spare parts.
- **Potential competitors:** Teledyne Marine, L3Harris Technologies, and Ultra Maritime provide related marine, acoustic, or undersea defense products and capabilities; the opportunity does not identify them as bidders or suppliers.

### Description

TR-317D and TR-353A Transducers and Spare Parts Production. The contractor shall design, document, manufacture, test, package, and deliver up to 40 First Article TR-317D transducers and up to 40 First Article TR-353A transducers (if First Articles are not waived), and up to 25,000 production TR-317D transducers and up to 5,500 production TR-353A transducers which meet the performance requirements of the respective TR-317D and TR-353A transducer Critical Item Performance Specification (CIPS).  The contractor shall also manufacture, test, package, and deliver up to 5,500 TR-353A Installation Kits, up to 5,000 TR-353A Housings, up to 5,000 TR-353A End Seals, up to 5,000 TR-317D Vulcanized Body Assemblies, up to 5,000 TR-317D End Seal Assemblies, and up to 5,000 Vulcanized Housing Assemblies which will be build-to-print items in accordance with the respective drawings.

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