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 under the solicitation titled "VALVE, CHECK." The procurement requires compliance with various quality assurance and inspection standards, including the submission of technical documentation and adherence to specific packaging and delivery requirements. These check valves are critical components used in military applications, ensuring the proper functioning of various systems. Interested vendors should contact Brianna L. Walker at 717-605-1391 or via email at brianna.l.walker@navy.mil for further details, with proposals expected to remain valid for 60 days post-submission.