The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 30 units of the NSN 4140003407685, specifically an impeller for a centrifugal fan. This solicitation is part of a combined synopsis/solicitation process, and the approved source for this item is identified as 99193 75973. The impeller is critical for air conditioning and circulation equipment, highlighting its importance in maintaining operational efficiency in various defense applications. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and all inquiries should be directed to the buyer via the provided email address, DibbsBSM@dla.mil. The delivery is expected at the DLA Distribution Depot Hill within 169 days after order placement.