The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of check valves, specifically NSN 4820016494978, with a total quantity of 8 units required for delivery. This solicitation is part of a total small business set-aside, emphasizing the importance of supporting small enterprises in the defense supply chain. The selected vendor will be responsible for delivering the specified valves within 168 days after order, and all quotes must be submitted electronically as hard copies will not be accepted. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, and further details can be accessed through the DLA's solicitation portal.