Berlin W. Ruleman Sr., 74, a retired NASA employe who was active in Masonic organizations, died April 2 at his home in Hollywood, Md., after a heart attack.

A native of Dayton, Va., he lived in College Park for 48 years before moving to Hollywood in 1974.

Mr. Ruleman worked for NASA's Goddard Space Flight Center from 1961 to 1970 when retired as director of its automobile transportation division. He had been an auto mechanic with a Washington Nash dealership from 1926 to 1938. He then managed transportation units for the city of Greenbelt and the Naval Ordnance Laboratory from 1938 to 1947. He held a similar post with the National Institutes of Health for 14 years before joining NASA.

He was a past-master of Birmingham Masonic Lodge No. 88 in Beltsville, a past-patron of Prince George's Court No. 17 of the Order of Amaranth, and a past-patron of the Order of the Eastern Star's chapter No. 26 in Beltsville.

Mr. Ruleman had been a member of the board of trustees of the Hollywood United Methodist Church.

Survivors include his wife, the former Mary E. Shifflett of Hollywood; a son, Berlin W. Jr. of Fort Myers, Fla.; three daughters, Ruth V. Herbert of College Park, Doris R. Jackson of Havre De Grace, Md., Sonja A. Lasick of Greenbelt; 17 grandchildren, and nine great-grandchildren.