The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanics, is seeking to procure a sight indicator (NSN 3H-6680-015300587) under a presolicitation notice. The procurement involves a quantity of one unit, with delivery terms set to FOB Origin, and the government intends to negotiate with only one source due to the unique nature of the item, which falls under the category of liquid and gas flow measuring instruments. Interested parties are encouraged to express their interest and capability to fulfill the requirement, with proposals considered if submitted 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.