Presolicitation notice from the Department of Defense, Department of the Navy, is seeking an insulation engine. The insulation engine is typically used for providing thermal insulation to various equipment and systems. The notice specifies the procurement details, including the National Stock Number (NSN), reference number, quantity of 2 each, and delivery terms. It is mentioned that this requirement is a sole source procurement, indicating that the government currently has no alternative sources for this item. The notice also highlights that the item is subject to Free Trade Agreements and the World Trade Organization Government Procurement Agreement. Government Source Approval is required prior to awarding the contract. Interested parties must ensure they meet the source approval requirements outlined in the NAVSUP WSS Source Approval Brochure. For further information or inquiries, contact Casey Brown at casey.m.brown20.civ@us.navy.mil.