The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of a check valve, specifically NSN 4820016754540. The requirement includes a quantity of one unit to be delivered to Electric Boat Corporation within 20 days after order placement, with the approved source being NV1024527-1. This procurement is critical for maintaining operational capabilities within defense systems that rely on reliable valve components. Interested suppliers must submit their quotes electronically, as hard copies of the solicitation are not available, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil.