This is a sources sought notice for market research to identify potential manufacturers for three specific parts in support of the Multiple Launch Rocket System, with performance location at Redstone Arsenal, Alabama. The requirement is for a one-time buy, and the acquisition is currently being procured under an exception to full competition due to a limited number of responsible sources. Firms capable of manufacturing the listed items are encouraged to identify themselves and seek source approval to compete for future efforts. The contractor will be responsible for all engineering, manufacturing, and supply chain costs associated with becoming a qualified source.