Benjamin Nacht, 77, a retired printer who had worked for a number of private firms in Washington, died of cancer Wednesday at Montgomery General Hospital.

He came to Washington in 1941 and worked for several years at the Government Printing Office before transferring to private industry. He retired in 1966 from Typemasters, Inc.

Mr. Nacht was born in New York City. He worked there as a printer before coming to the Washington area. He was a member of Columbia Typographical Union No. 101.

He had helped organize the Beth Israel Congregation in Washington in the 1940s. It later merged with the B'nai Jacob Congregation and then with the Washington Highlands Jewish Center to become the Shaare Tikvah Congregation in Temple Hills in the 1960s.

Mr. Nacht was a member of the Gompers Lodge of the Masons and was a past master of the Dawson Masonic Lodge.

He is survived by his wife, Ida L., of the home in Silver Spring; three sons, David, of Mountain View, Calif., Frank, of Silver Spring, and George, of Columbia, Md.; a sister, Sara Sorenfeld, and two brothers, Albert and Alex, all of North Miami Beach, Fla., two other brothers, Otto and Eddie, both of Miami Beach, seven grandchildren and two great-grandchildren.