The Department of Defense, specifically the Department of the Navy, is seeking suppliers for the procurement of stern shaft and similar replacement parts necessary for the repair and modification of naval vessels. This presolicitation opportunity falls under the category of ship and boat propulsion components, indicating the critical nature of these parts in maintaining operational readiness and performance of naval fleets. Interested vendors can reach out to Hannah Forsyth at NAVSUP Weapon Systems Support for further details, with contact information provided as phone (717) 605-3998, fax (717) 605-4236, and email at HANNAH.FORSYTH@NAVY.MIL. Additional information regarding deadlines and funding amounts will be available as the solicitation process progresses.