The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure an electrical chassis (NSN 7R-5975-016185554-P8) with a quantity of one unit, requiring delivery FOB origin. This procurement necessitates engineering source approval due to the flight-critical nature of the item, which mandates that only approved sources may be considered for the contract, as they possess the unique design capability and technical data essential for maintaining quality. Interested parties must submit their proposals along with the required source approval documentation within 45 days of this presolicitation notice, and any inquiries should be directed to Patrick Horan at (215) 697-0275 or via email at PATRICK.J.HORAN1@NAVY.MIL.