The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking to procure seven units of the Center Body Assembly, identified by NSN 7R-1680-015639035-V2 and reference number 2311102-1. Due to the flight-critical nature of this item and the lack of adequate technical data for competitive solicitation, only previously approved sources will be considered for this contract, which requires Government source approval prior to award. Interested parties must submit necessary documentation as outlined in the NAVSUP WSS Source Approval Information Brochures, and proposals must be submitted within 45 days of this notice. For further inquiries, contact Shannon K. Fitzgerald at (215) 697-3638 or via email at SHANNON.K.FITZGERALD3.CIV@US.NAVY.MIL.