NEWARK, N.J. (AP) _ The sister of reputed organized crime boss Nicodemo ''Little Nicky'' Scarfo was charged with holding two no-show union jobs obtained through mob muscle, authorities announced Wednesday.

Nancy Scarfo Leonetti, 57, of Atlantic City was named in a 13-count indictment that alleged she earned more than $220,000 over several years as administrator for two funds at a Teamsters-affiliated local in Philadeliphia while doing little or no work, said U.S. Attorney Samuel A. Alito at a news conference.

Mrs. Leonetti, the mother of reputed Scarfo lieutenant Philip ''Crazy Phil'' Leonetti, was charged with conspiracy to extort and embezzle and embezzlement of union funds during the 5 1/2 years she held the posts. During that time, an outside management company actually administrated the funds, Alito said.

She was paid $20,000 a year for each job by Local 158 of the Allied Trades and Bulk Plant Workers, Amusement Park Workers and Industrial Workers Union, authorities said.

In addition, she had the use of a union-leased car and charged non-existent or personal meals and trips to the union, described as an affiliate of the Teamsters union.

Union officials were physically threatened by an organized crime figure to put Mrs. Leonetti in the two jobs, Alito said, but he would not name the individual.

While she was supposedly working the two union jobs, Mrs. Leonetti also held down a secretary's job at a Scarfo-controlled construction company, Scarf Inc., said Assistant U.S. Attorney James F. Flanagan, who is handling the case.

Mrs. Leonetti could not immediately be reached for comment. There was no answer late Wednesday afternoon at the offices of Scarf Inc. in Atlantic City; her home telephone is unlisted; and Flanagan said he did not know who her attorney was.

At the union local, woman who answered the phone and refused to give her name said union officials were at a conference, and hung up.

Flanagan said Mrs. Leonetti had not been arrested but would probably surrender soon. She faces up to 80 years in prison if convicted.

Her brother was convicted in May in an extortion conspiracy case.