This is a spares procurement for a generator control unit, NSN 6110-01-165-6844, part number 948F456-4, used on the F-16. The line item quantity is 22 each, with a range of 6–33, and delivery is required on or before 02 APR 2031 to Hill AFB, UT. The acquisition is not set aside, surplus is not authorized, and the contractor must be an approved source; the only qualified source listed is Hamilton Sundstrand Corporation (CAGE 99167). The Government lacks the data or rights needed to manufacture the item, so interested firms are encouraged to contact the OEM. It will be solicited using commercial-item and electronic procedures on a sole-source or limited-source basis, with award anticipated 90 days after issuance of the notice, and UID requirements will apply.