This is a 5-year, small business set-aside contract for the supply of a specific air duct assembly, with an estimated annual quantity of 40 units. The government intends to negotiate with a limited number of sources, and this notice is not a formal request for competitive proposals. However, proposals received within 45 days of the synopsis publication will be considered, and vendors may also identify commercial item alternatives within 15 days. The solicitation is estimated to be issued on April 23, 2026, at which point complete technical data will become available. Contractors must be registered in SAM.gov to be eligible for award.