# SAM #N0017327Q5602-1 Sole-source purchase of GeoSpectrum Technologies M36-100 hydrophones **Buyer:** NRL **Posted:** October 22, 2026 **Respond By:** October 30, 2026 **Identifier:** N0017327Q5602-1 **NAICS:** 334511, 811310 The U.S. Naval Research Laboratory plans a sole-source purchase of GeoSpectrum Technologies M36-100 hydrophones. - **Buyer:** U.S. Naval Research Laboratory (NRL), Department of the Navy, Department of Defense. - **Procurement approach:** Notice of intent to issue a sole-source purchase order to GeoSpectrum Technologies Incorporated; this is not a request for competitive proposals. - **Product:** M36-100 hydrophones. The notice does not state a quantity. - **Competition:** NRL states that only one responsible source can meet the requirement. Other interested parties may submit capability information to help the agency decide whether to compete the purchase; responses will be used for that decision. - **Classification:** NAICS 811310; PSC J066. - **Other requirement:** Qualifying foreign supplies may be subject to the DoD duty-free-entry requirement. ### Description

This Notice of Intent is not a request for competitive proposals.  This is not a solicitation or request for offers.  No solicitation package is available and email requests will not be honored.  Only one responsible source and no other supplies or services will satisfy agency requirements. 

The Naval Research Laboratory (NRL) intends to award a sole source purchase order to GEOSPECTRUM TECHNOLOGIES INCORPORATEDof NOVA, SCOTIA to furnish:

  1. M36 -100 Hydrophones

The North American Industry Classification System Code (NAICS) for this requirement is 811310 with the size standard of #1250.   The Federal Supply Code (FSC) / Product Service Code (PSC) procurement is J066.

This amendment is issued to incorporate DFARS 252.225-7013, Duty-Free Entry (AUG 2025), into the notice of Intent.

The quotation due date is hereby extended from 10/22/2026 to 30 October 2026, 5pm Eastern Time.

 All other terms and conditions of Solicitation No. N0017327Q5602 remain unchanged. Offerors shall acknowledge receipt of this amendment with their quotation.

This purchase will be made utilizing Simplified Acquisition Procedures in accordance with:

Applicable FAR and DFARS Provisions and Clauses

DFARS 252.225-7013, Duty-Free Entry (AUG 2025), is incorporated by reference and applies to this solicitation and any resulting award.

Interested parties may identify their interests and capability to respond to this requirement within ___/___ calendar days of the publication of this notice.  Any response to this notice must show clear and convincing evidence that competition would be advantageous to the Government.   Information received will be considered solely for the purpose of determining whether or not to conduct a competitive procurement.  A determination by the Government not to compete this proposed purchase order based upon response to this notice is solely within the discretion of the Government.  No reimbursement for any cost connected with providing capability information will be provided.

The resulting contract may require compliance with Department of Defense duty-free entry requirements for qualifying foreign supplies shipped into the United States.

The point of contact is: Andrea Graves , email: andrea.l.graves6.civ@us.navy.mil.  

Please reference this Notice of Intent number, N00173-27-Q-5601 on your correspondence and in the “Subject” line of your email.    

[View original listing](https://sam.gov/opp/606f2325e05743cf921c4e4ff159213a/view)