The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the procurement of check valves (PSC Code: 4820) under the NAICS code 332919, which pertains to Other Metal Valve and Pipe Fitting Manufacturing. The check valves are critical components intended for use in shipboard systems, where the use of incorrect or defective materials could lead to severe consequences, including personnel injury or loss of the ship itself. Interested vendors must adhere to stringent quality assurance requirements and provide documentation certifying compliance with specified standards, with a delivery timeline that includes submission of certification data 20 days prior to delivery and final material delivery within 210 days. For further inquiries, potential bidders can contact Noelle Smith at 717-605-3992 or via email at NOELLE.M.SMITH10.CIV@US.NAVY.MIL.