The Defense Logistics Agency, under the Department of Defense, is seeking quotes for the procurement of 137 units of a Check Valve (NSN 4820000457414). This solicitation is classified as a qualified products list (QPL) item, indicating that only products meeting specific military standards will be considered. The valves are critical components used in various military applications, ensuring the proper flow of fluids and preventing backflow in systems. 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 email at DibbsBSM@dla.mil. The delivery is expected at the DLA Distribution Depot in Oklahoma within 251 days after the order is placed.