The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure a sole source item identified as the "LIGHT UNIT" with part number OX46434. This procurement involves the acquisition of one unit, designated by NSN 1R-1680-016943188-H5, and is critical for supporting miscellaneous aircraft accessories and components. The government intends to negotiate exclusively with Sikorsky for this procurement, as they possess the necessary data and rights, and all proposals received within 45 days will be considered. Interested parties can direct their inquiries and capability statements to Kate N. Schalck at kate.n.schalck.civ@us.navy.mil.