The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of a hoisting unit, identified by NSN 7R-1680-016799708-V2. The procurement involves a quantity of six units, which require engineering source approval due to their flight-critical nature and the necessity of maintaining quality through approved sources. Interested parties must provide detailed technical data and qualifications as outlined in the NAVSUP Source Approval Information Brochures, with proposals due within 45 days of the notice publication. For further inquiries, Alyssa T. Thieu can be contacted at (215) 697-0169 or via email at ALYSSA.THIEU@NAVY.MIL.