The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure three units of control signal processing equipment under the presolicitation notice. The procurement involves the National Stock Number (NSN) 7R-5845-016782073-E7, with a reference number of 8461375-2, and the delivery will be on a Free on Board (FOB) origin basis. This equipment is crucial for underwater sound applications, highlighting its significance in defense operations. Interested vendors are encouraged to express their interest and capability to meet the requirements within 45 days of this notice, and they may contact Oleg Maksimchuk at OLEG.MAKSIMCHUK.CIV@US.NAVY.MIL for further information.