The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of six units of the Coupling Assembly, NSN 1680014552297. This solicitation is a source-controlled drawing item, with the approved source being 99551 19E300-3B, and the items must meet the specified requirements outlined in the solicitation. The Coupling Assembly is critical for aerospace applications, ensuring the reliability and functionality of aircraft components. Interested vendors must submit their quotes electronically, and for any inquiries, they can contact the buyer via email at DibbsBSM@dla.mil. The delivery is required at DLA Distribution Cherry Point within 156 days after order, and hard copies of the solicitation are not available.