The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of stop-check valves, specifically NSN 4820015540911. The solicitation includes two lines: the first requires 13 units to be delivered within 315 days after order, and the second requires 1 unit to be delivered within 120 days after order. These valves are critical components used in various defense applications to control fluid flow and prevent backflow, ensuring operational efficiency and safety. Interested suppliers must submit their quotes electronically, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil.