The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is issuing a presolicitation for an Indefinite Quantity Contract (IQC) for the procurement of Duct Assembly, Air Conditioning-Heating (NSN 1660-01-534-9018). The contract will cover an estimated annual quantity of 92 units over a five-year base period, with production units to be delivered FOB Destination and inspected/accepted at the destination. This equipment is critical for maintaining operational capabilities in Navy expeditionary programs, and the government intends to negotiate with a limited number of sources, specifically HDT Expeditionary Systems Inc., as there are no other approved sources for this part. Interested contractors must register in the System for Award Management (sam.gov) and may submit proposals within 45 days of the notice publication, with the estimated solicitation issue date set for October 10, 2024. For further inquiries, contact Chris Rose at CHRISTOPHER.ROSE@DLA.MIL or Jeremy Prince at Jeremy.Prince@dla.mil.