# SAM #N3904027Q3214

Sole-source capstan controller and motor alignment, repair, and testing

**Buyer:** Portsmouth Naval Shipyard
**Posted:** November 13, 2026
**Respond By:** November 15, 2026
**Identifier:** N3904027Q3214
**NAICS:** 811310

Portsmouth Naval Shipyard plans an expedited, limited-source repair of a capstan controller and motor.
- **Buyer:** Portsmouth Naval Shipyard, Department of the Navy, NAVSEA.
- **Requirement:** Align, repair, test, and tune/program the Capstan Controller / Motor; no quantity or part number is stated.
- **Source rationale:** The notice cites only one responsible source. The attachment identifies ESCO Maritime Solutions as the Capstan Drive System OEM and only authorized vendor with the required knowledge and capability. The initial release summary names EMS Development Corporation (CAGE 51435) as the proprietary source; the differing vendor names are not reconciled in the supplied materials.
- **Schedule:** Performance is stated as November 16–30, 2026; an expedited award is requested.
- **Value:** No contract value is provided. The range below is a rough estimate, not a stated government estimate.

### Description

<p>This notice serves as The Portsmouth Naval Shipyards intent to sole source the following requirement: Capstan Controller Motor Align, Repair, and Testing. The statutory authority permitting other than full and open competition is 10 U.S.C. as implemented by Federal Acquisition Regulation (FAR) 6.302-1 (Only one responsible source and no other supplies or services will satisfy agency requirements). EMS Development Corporation (Cage Code: 51435) is the proprietary source for Capstan Motor work, thus owns the proprietary data, including drawings, equipment and approved processes required to perform this work.</p>

[View original listing](https://sam.gov/opp/ddb9e0b524374cb68af67765dec93c19/view)