The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure seven units of a pressure indicator, identified by NSN 1H-6685-016583831-D0. This procurement is a presolicitation notice indicating that the government intends to negotiate with a single source under FAR 6.302-1, emphasizing the specialized nature of the required instruments, which are critical for measuring and controlling pressure, temperature, and humidity. Interested parties are encouraged to express their interest and capability to fulfill this requirement, with proposals being accepted within 45 days of the notice publication. For further inquiries, potential vendors can contact Noelle M. Smith at (717) 605-3992 or via email at noelle.m.smith10.civ@us.navy.mil.