The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of five linear direct valves, classified under NSN 7HH 4820 010942852. The contract aims to fulfill national defense requirements, with a focus on ensuring the valves meet stringent quality and inspection standards, including the prohibition of mercury contamination due to their intended use on submarines and surface ships. Interested vendors should note that the closing date for quotes has been extended to August 13, 2025, and are encouraged to contact Taylor M. Fasching at 717-605-4323 or via email at TAYLOR.M.FASCHING.CIV@US.NAVY.MIL for further details regarding the solicitation process.