The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the manufacture of valve assemblies, classified under NAICS code 332911 for Industrial Valve Manufacturing. The procurement aims to secure high-quality valve assemblies that meet stringent military specifications, particularly for use in submarines and surface ships, emphasizing the importance of mercury-free materials to prevent contamination. Interested vendors should note that the contract will require written acceptance prior to execution, and they can direct inquiries to Robert H. Langel at 717-605-3353 or via email at ROBERT.H.LANGEL.CIV@US.NAVY.MIL. The solicitation is currently open, and further details can be found in the associated documentation.