The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of spindle assemblies. These components are critical for the operation and maintenance of helicopter rotor blades, drive mechanisms, and related systems, underscoring their importance in military aviation. Interested vendors should note that the opportunity falls under the NAICS code 333998, which pertains to all other miscellaneous general-purpose machinery manufacturing. For further inquiries, potential bidders can contact Kate Schalck at 215-697-1020 or via email at KATE.N.SCHALCK.CIV@US.NAVY.MIL.