The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking proposals for the procurement of two units of the Power Control Assembly, identified by NSN 7R-1680-016985169-RQ. This item is classified as flight critical, necessitating government source approval prior to contract award, as the technical data available does not support full and open competition. Interested vendors must provide comprehensive documentation as outlined in the NAVSUP WSS Source Approval Information Brochures, and offers lacking the required data will not be considered. For further inquiries, potential bidders can contact Nadia Govorushko at (215) 697-2813 or via email at NADIA.GOVORUSHKO.CIV@US.NAVY.MIL.