The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of circuit card assemblies, identified by NSN 7R-5998-017055902-P8, with a quantity of 9 units required. This procurement necessitates engineering source approval to ensure the quality of the parts, as they are flight critical and require unique design capabilities and manufacturing knowledge from approved sources. Interested vendors must provide detailed technical data and comply with source approval procedures, as outlined in the NAVSUP WSS Source Approval Information Brochures, to be considered for the contract. Proposals must be submitted within 45 days of this notice, and inquiries can be directed to Patrick Horan at (215) 697-0275 or via email at PATRICK.J.HORAN23.CIV@US.NAVY.MIL.