Harold E. Hegstrom, 76, former superintendent of the old National Training School for Boys in Washington died of cancer Monday in Hartford, Conn.

He had been in charge of the facility, then located in Northeast Washington, from 1939 until 1952. The school handled juveniles who had broken federal laws and were found guilty in federal courts throughout the country.

During his tenure, Mr. Hegstrom instituted desegregation of all facilities and activities at the school, including dining halls, dormitories and atheletics.

He also lectured on social work at Catholic University, and in 1948, received the annual award of the Corrections Division of the Council of Social Agencies.

He had been a member of Augustana Lutheran Church and the National Lutheran Council.

Born in lowa, Mr. Hegstrom was a graduate of Gustavus Adolphus College in St. Peter, Minn. He took graduate work at the University of Minnesota and taught school in Minnesota. He was superintendent of the Minnesota State Training School in Red Wing for five years before coming here.

Mr. Hegstrom left Washington to become warden of the federal correctional institution in Danbury, Conn. Later, he was administrator of all the state jails in Connecticut, retiring about 10 yers ago.

He is survived by his wife, Florenceo, home in Wethersfield, Conn., three sons, Charles, Donald and Thomas, and four grandchildren.