The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure four units of a Transmitter, Counter, under a presolicitation notice. The procurement involves the item identified by NSN 7R-5865-014980544-QF, with a reference number of 2680605G001, and is intended to be negotiated with a single source due to the specialized nature of the requirement. This equipment is critical for electronic countermeasures and related capabilities, emphasizing its importance in defense operations. Interested parties are encouraged to express their interest and capability to respond within 45 days of the notice, with all inquiries directed to Autumn M. Rau at AUTUMN.M.RAU2.CIV@US.NAVY.MIL.