The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of 16 units of NSN 4820012161721, specifically a DISK, VALVE. This solicitation is part of a combined synopsis/solicitation process, and the approved sources for this item include specific manufacturers identified by their codes. The goods are critical components used in various defense applications, highlighting their importance in maintaining operational readiness. Interested vendors must submit their quotes electronically, as hard copies will not be provided, and any inquiries should be directed to the buyer via the email address provided in the solicitation document.