The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of retainer disk valves, specifically NSN 4820012947250. The contract includes five line items, each requiring delivery to various U.S. Navy aircraft carriers, including the USS Theodore Roosevelt and USS Carl Vinson, within 20 days after order. These valves are critical components for maintaining the operational readiness of naval vessels. Interested vendors must submit their quotes electronically, as hard copies will not be available, and inquiries can be directed to the DLA at DibbsBSM@dla.mil.