The Department of Defense, specifically the Department of the Navy, is seeking small business concerns to provide six units of the Key Coupling Shaft, identified by NSN 1H-5340-016442624-D4. The procurement is a total small business set-aside, emphasizing the importance of supporting small enterprises in defense contracting, and the items will be delivered to the Portsmouth Naval Shipyard in Kittery, Maine. Interested parties can access necessary specifications and standards through the DoD Single Stock Point, with further inquiries directed to Tiana Hammaker at (717) 605-8399 or via email at TIANA.HAMMAKER@NAVY.MIL. The solicitation will include specific clauses related to small business set-asides, and the contract details will be finalized in the upcoming solicitation.