The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicburg, is soliciting bids for the procurement of stop-check valves under a federal contract. The procurement requires compliance with various quality assurance and inspection standards, including first article testing and adherence to specific military specifications. These valves are critical components used in various defense applications, ensuring operational reliability and safety. Interested vendors should contact Danny O'Neal at 717-605-4954 or via email at DANNY.L.ONEAL1@NAVY.MIL for further details, and must submit their proposals within 60 days of the closing date indicated in the solicitation.