The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 14 units of the Interlock Switch (NSN 1H-5930-016469805-X3) from Paragon Energy Solutions LLC, located in Fort Worth, TX. This procurement is a presolicitation notice indicating the government's intent to negotiate with a single source for these supplies, which are critical components in various defense applications. Interested parties are encouraged to express their interest and capability to respond, although the government retains discretion on whether to pursue competitive procurement based on the responses received. For further inquiries, interested vendors can contact Kiersten L. Sipe at (564) 226-0650 or via email at KIERSTEN.L.SIPE.CIV@US.NAVY.MIL.