The Defense Logistics Agency, under the Department of Defense, is seeking quotes for the procurement of 9 units of a check valve, identified by NSN 4820001162157. This procurement is based on a source-controlled drawing, and the approved source for this item is specified as 59364 123612-1-2, indicating the importance of compliance with the provided specifications. The items are critical for various defense applications, and all responsible sources are encouraged to submit their quotes electronically, as hard copies of the solicitation will not be available. Interested parties should direct any inquiries to the buyer via email at DibbsBSM@dla.mil, and the deadline for quote submission is 169 days after the award date.