The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of 13 units of a check valve, identified by NSN 4820001162157. This procurement is based on a source-controlled drawing, with the approved source being 59364 123612-1-2, and the items must meet the specified requirements outlined in the solicitation. The check valves are critical components used in various defense applications, ensuring proper flow control in hydraulic and pneumatic systems. Interested vendors are encouraged to submit their quotes electronically, with the solicitation available through the DLA's e-sourcing platform, and any inquiries should be directed to DibbsBSM@dla.mil.