The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of four stop-check valves under solicitation number NSN 4820013318670. The requirement specifies delivery to DLA Distribution within 168 days after order, with the approved source being 30263 NB25221E-0000 for a 6-inch valve. These valves are critical components used in various military applications to control fluid flow and prevent backflow, ensuring operational efficiency and safety. Interested vendors must submit their quotes electronically, as hard copies of the solicitation are not available, and inquiries can be directed to the buyer via email at DibbsBSM@dla.mil.