The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure replacement parts for radio modulators and receivers as part of a presolicitation notice. The procurement includes a quantity of 30 modulators and 20 receivers, with specific part numbers and National Stock Numbers (NSNs) identified for each item. These components are critical for electronic countermeasures and related military applications, underscoring their importance in maintaining operational readiness. Interested parties are encouraged to express their interest and capability to fulfill this requirement, with proposals due within 45 days of the notice publication, and should contact Autumn M. Rau at AUTUMN.M.RAU2.CIV@US.NAVY.MIL for further details.