The Department of Defense, through the Defense Logistics Agency (DLA Land and Maritime), is seeking quotes for the procurement of 42 units of the NSN 4820013322639 Stop-Check Valve. This solicitation is part of a combined synopsis/solicitation and is aimed at acquiring industrial valves that are critical for various defense applications. The approved source for this procurement is identified as 6V279 D6264251, 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 questions to the buyer via email at DibbsBSM@dla.mil, with the expectation that quotes must be submitted within the specified timeframe for consideration.