The Defense Logistics Agency is seeking qualified sources to manufacture a FAN, VANEAXIAL (NSN: 4140-01-671-5041) for the PATRIOT M-D6 weapon system, currently sourced under a sole-procurement justification. The proposed NAICS code is 333413 with a 500-employee size standard, and all business types, including small and disadvantaged firms, are encouraged to respond. Contractors must meet prequalification requirements and seek source approval via the AvMC public website to compete for future solicitations. The contractor will handle all manufacturing, supply chain management, logistics, and engineering services, including costs for becoming a qualified source. Performance location is Redstone Arsenal, Alabama, and no budget amounts or submission timelines are specified in this sources sought notice.