The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking to procure 25 units of a power supply identified by NSN 1H-6130-014820279. This procurement is a Total Small Business Set-Aside, meaning only small businesses are eligible to submit offers, and the items must be sourced from authorized distributors as specified in the associated technical data package. The power supply is critical for military applications, and the government emphasizes that suitable technical data or manufacturing knowledge is not available for alternative sourcing, thus limiting competition. Interested parties should contact Derek Ford at (717) 605-4385 or via email at DEREK.J.FORD@NAVY.MIL for further details, and they must respond within 15 days of this presolicitation notice to express their interest and capability to meet the requirements.