The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of an actuator assembly, identified by NSN 7R-1680-015503369-V2, with a quantity of 57 units required. This procurement necessitates engineering source approval to ensure the quality of the part, as it is flight critical and requires unique design capabilities and manufacturing knowledge from approved sources. Interested vendors must submit their proposals along with the necessary source approval documentation within 45 days of this presolicitation notice, and can contact Hayden Young at (215) 697-2928 or via email at HAYDEN.YOUNG@NAVY.MIL for further information.