The Defense Logistics Agency, under the Department of Defense, is seeking quotes for the procurement of 321 units of a Check Valve (NSN 4820005293201). This solicitation is classified as a qualified products list (QPL) item, indicating that only products meeting specific military specifications will be considered. The valves are critical components used in various defense applications, ensuring the proper flow of fluids and preventing backflow in systems. Interested vendors must submit their quotes electronically, as hard copies will not be provided, and all inquiries should be directed to the buyer via email at DibbsBSM@dla.mil. The delivery is required at the DLA Distribution Depot in Oklahoma within 274 days after the order is placed.