The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the repair and modification of the Piston, Door Operating item. The procurement aims to secure a firm-fixed price contract for the repair of this critical component, which falls under the Small Arms, Ordnance, and Ordnance Accessories Manufacturing industry. The successful contractor will be required to adhere to strict quality assurance standards and provide a Repair Turnaround Time (RTAT) of 340 days after receipt of the asset, with penalties for delays. Interested vendors should submit their quotes electronically to Benjamin Speros at BENJAMIN.G.SPEROS.CIV@US.NAVY.MIL, ensuring compliance with all outlined requirements and deadlines.