The Department of Defense, specifically the Department of the Navy, is seeking to procure 248 units of a photo sensor under the presolicitation notice titled '59--PHOTO SENSOR, WB.' The procurement involves a specific National Stock Number (NSN 1H-5985-015995173-X3) and is intended for delivery to two locations: DLA Distribution in New Cumberland, PA, and DLA Distribution in Tracy, CA. This equipment is critical for military applications, and the government intends to negotiate with only one source due to the proprietary nature of the data required for its purchase or repair. Interested parties are encouraged to express their interest and capabilities within 45 days of the notice, with the primary contact for inquiries being Collin A. Browning at (717) 605-1667 or via email at COLLIN.BROWNING@NAVY.MIL.