The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure specialized replacement parts, including the "BEARING, BLADE RETEN" and "FOLD HINGE ASSEMBLY," from Sikorsky on a sole source basis. The procurement includes 10 units of the bearing and 4 units of the hinge assembly, both of which are critical components for helicopter rotor blades and drive mechanisms. This acquisition is essential for maintaining operational readiness and support for military aviation systems. Interested parties must submit their capability statements to Kate N. Schalck at kate.n.schalck.civ@us.navy.mil within 45 days of this notice, as the procurement will not be delayed for new source approvals.