The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of six stop-check valves (NSN 4820-01-335-7203) to be delivered to the USS Columbia (SSN 771) within 20 days after order. This procurement is critical for maintaining the operational readiness of naval vessels, as stop-check valves are essential components in various fluid control systems. The solicitation is set aside for small businesses, and interested parties must submit their quotes electronically, as hard copies will not be provided. For inquiries, potential bidders can contact the DLA at DibbsBSM@dla.mil, and further details can be accessed through the DLA's solicitation portal.