NUCLEAR SUPPORT <NSSI> TO BUY ITT <ITT> HENZE Nuclear Support Services Inc said it agreed in principle to buy the business and assets of ITT Henze Service from ITT Corp for an undisclosed amount. Henze, which is engaged in performing nuclear plant repair work, had revenues of 12.7 mln dlrs for the year ended December 31, 1986. For 1986, Nuclear Support, a supplier of support personnel and services to the nuclear power industry, had net income of 2.4 mln dlrs on sales of 30.6 mln dlrs.