The Department of Defense, through the NAVSUP Weapon Systems Support office, is seeking to procure a power supply under the presolicitation notice for NSN 7R-6130-012027175-VH. The procurement involves a quantity of one unit, specifically the part number 4-055-02 or 70550-02025-103, and will be conducted on a limited source basis with approved suppliers including BLUE AEROSPACE LLC, AAR SUPPLY CHAIN INC, ELDEC CORPORATION, and SIKORSKY AIRCRAFT CORP. This power supply is critical for military applications, and the government intends to utilize FAR Part 12 for the acquisition of commercial items, with a deadline for interested parties to submit their capabilities within 15 days of this notice. Interested vendors should direct their inquiries and submissions to Linda Vong at linda.vong2.civ@us.navy.mil, as no telephone requests will be honored.