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DT-511C and DT-592D Hydrophones and Spare Parts

Issued by DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NUWC DIV NEWPORT · via SAM.gov — US federal contract opportunities

Published
21 Sept 2026
Closes
30 Oct 2026, 18:00 UTC
Reference
N6660426R0483
Location
RI, United States
Sector
Manufacturing & Supply

Details

DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NUWC DIV NEWPORT is soliciting DT-511C and DT-592D Hydrophones and Spare Parts. Solicitation number N6660426R0483. Classified under NAICS 334511 — Search, Detection, Navigation, Guidance, Aeronautical, and Nautical System and Instrument Manufacturing. Product/service code 5845 — UNDERWATER SOUND EQUIPMENT. Place of performance: RI, USA. Responses are due by 30 October 2026 18:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

Solicitation Number N66604-26-R-0483 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-511C and DT-592D Hydrophones and spare parts in order to replenish and maintain adequate inventory to support fleet needs. 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 respective DT-511C and DT-592D Hydrophone Critical Item Performance Specification (CIPS). The contractor shall also manufacture, test, package and deliver DT-511C and DT-592 Hydrophone spare parts in accordance with the respective drawings in the Reference Baseline drawing package. The drawings 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 Kerin Prairie at [contact details removed] and Keri Gunn at [contact details removed] with any questions regarding this solicitation.

Context for bidders

We hold 20 notices from DEPT OF DEFENSE · DEPT OF THE NAVY · NAVSEA · NAVSEA WARFARE CENTER · NUWC DIV NEWPORT, going back to August 2026 — 9 of them still open. They buy mostly in Construction & Infrastructure, Manufacturing & Supply and electronics-semiconductors. There are 3,271 open Manufacturing & Supply tenders in United States. This one closes in 36 days.

Before you bid on this tender

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  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.

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