The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of 23 units of a check valve (NSN 4820014262841). This solicitation is a source-controlled drawing item, meaning that only approved sources can provide the required goods, specifically those identified by the associated drawing numbers. The check valves are critical components used in various military applications, ensuring proper flow control in systems. Interested vendors must submit their quotes electronically, as hard copies will not be available, and all inquiries should be directed to the buyer via the provided email address, DibbsBSM@dla.mil. The delivery is expected at DLA Distribution San Diego within 420 days after order placement.