Disgraced scientist AQ Khan has said that Pakistan transported nuclear material to North Korea with the full knowledge of President Musharraf.
He told the Associated Press news agency that the army supervised a flight of centrifuges in 2000.
At the time Mr Musharraf was head of the army.
Dr Khan said that uranium enrichment equipment was sent in a North Korean plane loaded under the supervision of Pakistani security officials.
Dr Khan's latest claims contradict a public confession he made in 2004 that he was solely responsible for exporting nuclear technology to Iran, North Korea and Libya.
