The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking qualified sources for the repair and modification of aircraft inverters, specifically NSN 7R-1680-015240941-H1, with a quantity of 147 units required. This procurement necessitates engineering source approval to ensure the quality of the part, as it is flight critical and requires that only approved sources are solicited for the contract. Interested parties must provide detailed technical data and documentation to demonstrate their capability to meet the requirements, as well as comply with the qualification procedures set by the Government engineering activity. For inquiries, interested vendors can contact Marisa L. Tetkowski at (215) 697-2644 or via email at MARISA.TETKOWSKI@NAVY.MIL.