The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of hydraulic modules, identified by NSN 7R-1680-015449008-H1, with a quantity of 16 units required. This procurement necessitates engineering source approval due to the flight-critical nature of the item, which mandates that only approved sources with the requisite design capability and manufacturing knowledge may participate. Interested parties must submit their proposals along with the necessary source approval documentation by the deadline, as the government intends to award the contract based on the qualifications of the approved sources. For further inquiries, Alyssa T. Thieu can be contacted at (215) 697-0169 or via email at ALYSSA.THIEU@NAVY.MIL.