Sebastiano A. Sciabbarrasi, 58, an industrial engineer and a retired management consultant and systems analyst for the National Institute of Neurological and Communicative Disorders and Stroke, died Thursday at a hospital in Clearwater, Fla., after a heart attack.

Mr. Sciabbarrasi had worked for the Institute and its predecessor, the National Institute of Neurological Diseases and Blindness, since 1967, when he moved to the Washington area. He designed a computer system to retrieve its information on primates before retiring for reasons of health in 1976.

Born in New York City, he graduated from Brooklyn College and earned a master's degree from the University of Houston. He was an industrial engineer at the Brooklyn Army Terminal before moving here.

Mr. Sciabbarrasi was an Army Air Force veteran of World War II and an Air Force veteran of the Korean War. He retired as a captain.

He and his wife of 33 years, Gilda, lived in Silver Spring before moving to Clearwater in 1978.

Mr. Sciabbarrasi was a former member of St. Catherine Laboure Catholic Church in Silver Spring. He was a past commander of Chapter 10 of the Disabled American Veterans in Silvedr Spring and a member of the Wheaton chapter of the American Legion.

His many professional memberships included the American Institute of Industrial Engineers and its National Capital Chapter No. 14, of which he was a past president.

Besides his wife, survivors include four sons, Michael S., of New York City, Capt. Joseph S., an Army physician stationed in Seoul, Korea, Richard S., of Silver Spring and Clearwater, and John S., of Clearwater; a daughter, Aprile C. Gampel of Kaiserslautern, Germany; two brothers, Tony, of Miami, and Mike Barri of New York City, and four grandchildren.