The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of two stop-check valves under solicitation number NSN 4810015027564. The requirement includes the delivery of these valves to DLA Distribution within 164 days after order, with approved sources specified for the manufacturing of the items. These valves are critical components used in various defense applications, ensuring the proper flow and control of fluids in military systems. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and any inquiries should be directed to the buyer via email at DibbsBSM@dla.mil.