The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking suppliers for an indefinite quantity contract (IQC) for the procurement of Duct, Assembly, Air, specifically for the C-5 aircraft. The contract will cover a base period of five years with an estimated annual quantity of 12 units, and delivery is expected 550 days after the date of order. This procurement is crucial for maintaining the operational capabilities of the C-5 aircraft, which relies on effective air conditioning, heating, and pressurizing equipment. Interested vendors can access the solicitation on the DLA Internet Bid Board System (DIBBS) around October 4, 2024, and should direct inquiries to Ryan Loeffelholz at ryan.loeffelholz@dla.mil or by phone at 804-279-1452.