The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of a check valve, specifically NSN 4820013057836. The requirement includes a quantity of one unit to be delivered to DLA Distribution within 165 days after order placement, with the approved source being WSC-63F4. This procurement is critical for maintaining operational readiness and ensuring the reliability of defense systems that utilize such valves. 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.