The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 19 units of a trackball data entry device under a presolicitation notice. This procurement is for a specific National Stock Number (NSN 7H-7025-014295697) and is intended for repair or modification, with the government indicating that it does not own the necessary data or rights to purchase or contract repair from other sources. The contract will be negotiated with only one source under FAR 6.302-1, and interested parties have 45 days to express their interest and capability to fulfill the requirement. For further inquiries, interested vendors can contact Aaron McFee at (717) 605-2706 or via email at AARON.MCFEE@NAVY.MIL.