The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of check valves, specifically NSN 4820013188732, with a requirement for seven units to be delivered to DLA Distribution San Diego within 315 days after order placement. This procurement is based on a source-controlled drawing, and the approved source for this item is 99240 2S6172, indicating the importance of adhering to specific military specifications and standards. Interested vendors are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available, and all submissions must comply with the requirements outlined in the solicitation document. For inquiries, potential bidders can contact the DLA via email at DibbsBSM@dla.mil.