Harold E. Shear, head of the Maritime Administration, approved a ship-repair plan that provided $2.1 million to a naval architecture firm whose chairman owns the steamship firm that previously employed Shear. Shear received a $45,000 severance payment from the steamship firm when he resigned after eight months to join the government in 1981. A federal review concluded that he had inadvertently erred in not properly reporting the payment on his financial disclosure form.

Richard N. Perle, assistant secretary of defense, recommended in 1982 that the Army consider buying weapons from an Israeli company whose owners had paid him a $50,000 consulting fee a year earlier, shortly before Perle joined the government.

Perle is currently the subject of an internal Pentagon inquiry over the auction of a novel he proposes to write based on his running feud with an assistant secretary of state during Reagan's first term. Bidding for the book passed $300,000 before the auction was temporarily suspended this month.

James C. Miller III, while chairman of the Federal Trade Commission, participated in an antitrust review of a proposed joint venture between General Motors and Toyota, although he had received $75,000 in consulting fees from GM before joining the government. A federal judge found no conflict by Miller, now director of the Office of Management and Budget.

Robert A. Rowland, head of the Occupational Safety and Health Administration, resigned last year after being criticized for participating in agency decisions that potentially affected Tenneco, Exxon, Monsanto and other companies in which he owned more than $1 million in stock. A federal review found Rowland had been granted a conflict-of-interest waiver by then-Labor Secretary Raymond J. Donovan.

Norman B. Ture, undersecretary of the Treasury, helped arrange a $230,000 contract in 1981 for an economic forecasting model that he had developed and partly owned. An inspector general's inquiry found that Ture, who at the time was selling his interest in the model for $60,000, had at most committed a technical violation of federal rules.

Charles M. Butler III, chairman of the Federal Energy Regulatory Commission, refused to disqualify himself from new cases involving clients that he or associates had represented at his Houston law firm.