The Department of Defense, through the Defense Logistics Agency (DLA Aviation), is seeking quotes for the procurement of five units of NSN 4820015167697, specifically a valve seat. This solicitation is part of a combined synopsis/solicitation process, and the approved sources for this procurement include specific manufacturers identified by their codes. The valve seats are critical components used in various defense applications, ensuring the proper functioning of valves in military equipment. Interested vendors must submit their quotes electronically, as hard copies of the solicitation will not be available, and all inquiries should be directed to the provided email address, DibbsBSM@dla.mil, with the solicitation details accessible via the DLA's online platform.