Following is a list of unclassified contracts for $25,000 and over as released by Air Force Contracting Offices: WRIGHT-PATTERSON AIR FORCE BASE, Ohio. Sundstrand Machine Tool Co., Rockford, III., constant speed drives, 30 KVA, transmission, 186 ea.; frequency and load controller, 13 8 ea.; automatic paralleling control, 84 ea. (PR 159377-2 and 159377-3 Q), $6,965,982.