The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of six stop-check valves, identified by NSN 4820013322639. The requirement includes delivery to DLA Distribution within 157 days after order, with the approved source being 6V279 D6264251. These valves are critical components in various defense applications, ensuring proper flow control and system integrity. 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.