The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 13 units of a control diaphragm valve under a presolicitation notice. The procurement is for the National Stock Number (NSN) 7H-4820-011875068, and the government intends to negotiate with only one source due to the unique nature of the supplies, which are critical for military applications. Interested parties are encouraged to express their interest and capability to fulfill the requirement, with proposals being accepted within 45 days of the notice publication. For further inquiries, interested vendors can contact Joshua Eshleman at (717) 605-6055 or via email at joshua.j.eshleman@navy.mil.