The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure mating ring assemblies and similar replacement parts. The procurement involves a quantity of 144 units of National Stock Number (NSN) 7H-2010-011117805, with delivery required to DLA Distribution Norfolk, VA. These components are critical for ship and boat propulsion systems, underscoring their importance in maintaining naval operational capabilities. Interested vendors should note that the government intends to negotiate with only one source under FAR 6.302-1, but all responsible sources may submit proposals or capability statements within 45 days of this notice. For further inquiries, Vince Molesky can be contacted at (717) 605-3353 or via email at VINCENT.MOLESKY@NAVY.MIL.