The Defense Logistics Agency, under the Department of Defense, is seeking quotes for the procurement of 168 units of a check valve (NSN 4820006983314). This solicitation is classified as a qualified products list (QPL) item, indicating that only products meeting specific military standards will be considered. The check 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 will not be provided, and all inquiries should be directed to the buyer via the email address provided in the solicitation document. The delivery is expected at the DLA Distribution Depot in Oklahoma within 119 days after order placement.