An NYPD officer has been arrested, accused of sexually assaulting a woman working in the 49th Precinct, law enforcement sources say.

Keith Walton, 44, was arrested Friday on two counts of sex abuse, forcible touching, official misconduct and harassment, the NYPD said.

He was off duty at the time of his arrest.

Sources said Walton, a deputy inspector, is accused of harassing a female subordinate inside his office at the Bronx precinct.

He's been stripped of his gun and badge and placed on desk duty, sources said.