Sept 4 (Reuters) - The U.S. State Department said on Friday it had approved the potential sale of Joint Direct Attack Munitions-Extend Range to Saudi Arabia for an estimated $5 billion.

The principal contractor is Boeing, the state department said.

The State Department also said it had approved a possible sale of AGT-1500 engines to Saudi Arabia for an estimated $750 million. The principal contractor for sale of the engines is Honeywell, the department said.

(Reporting by Ismail Shakil and Christian Martinez; Editing by Katharine Jackson)