The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure two units of the Main Fuel Pump, identified by NSN 7R-1680-016738195-F7 and reference number 828300-11. This procurement involves a commercial/nondevelopmental/off-the-shelf item that is flight critical, requiring Government source approval prior to contract award, as the technical data available has not been deemed adequate for full and open competition. Interested vendors must provide necessary documentation for source approval along with their proposals, as offers lacking required data will not be considered. For inquiries, potential bidders can contact Charles F. Horan at (215) 697-1303 or via email at CHARLES.F.HORAN@NAVY.MIL, with a proposal submission deadline of 45 days from the notice publication date.