The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanical, is seeking to procure five units of a plain bearing unit, identified by NSN 1H-3130-015805772-PP, under a presolicitation notice. The procurement is intended for supplies that will be solicited and negotiated with a single source, emphasizing the specialized nature of the required items, which are critical components in various military applications. Interested parties are encouraged to demonstrate their capability to meet the requirement within 45 days of the notice, with the primary contact for inquiries being Alison E. Harper at (717) 605-4443 or via email at ALISON.E.HARPER.CIV@US.NAVY.MIL.