The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of valve seats under the title "48--SEAT, VALVE." This contract requires the manufacturing of non-powered valves, adhering to strict quality and inspection standards, and is critical for use in submarines and surface ships, emphasizing the importance of mercury-free materials. Interested vendors must ensure they are authorized distributors of the original manufacturer and submit their proposals by May 28, 2025, with inquiries directed to Catherine H. Tran at 717-605-6805 or via email at uyencatherine.h.tran.civ@us.navy.mil.