The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure seven units of the HUMS Assembly for aircraft, under a presolicitation notice. The procurement involves a specific item identified by NSN 7R-1680-016816215-E7, with a part number of 123AV92020-3, and the government intends to negotiate with only one source due to the unique nature of the requirement. This assembly is critical for aircraft operations, and the delivery will be on a FOB origin basis. Interested parties are encouraged to express their interest and capability to respond within 45 days of the notice, with all proposals considered for the potential competitive procurement process. For further inquiries, interested vendors can contact Tara B. Kupperstein at (215) 697-3608 or via email at TARA.B.KUPPERSTEIN.CIV@US.NAVY.MIL.