The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure five units of the Chassis Unit, identified by NSN 7R-1680-016753097-P8 and reference number 8531682-1. This procurement requires engineering source approval to ensure the quality of the part, necessitating that the acquisition or repair be conducted by approved sources with unique design capabilities and manufacturing knowledge. The contract will be awarded based on qualifications, with a presolicitation notice indicating that all responsible sources may express their interest and capability within 45 days of the notice, and interested parties can contact John A. Maier at (215) 697-2782 or via email at JOHN.A.MAIER@NAVY.MIL for further details.