Britain was already probing the deal, which is the latest by a U.S. buyer of a British firm, over national security concerns as Meggitt's customers include Boeing, Airbus, Britain's Ministry of Defence (MoD) and Rolls-Royce.

The 6.3 billion pound ($7.67 billion) deal won EU antitrust approval in April after Parker-Hannifin pledged to sell a factory in the United States.

($1 = 0.8209 pounds)

(Reporting by Rhea Binoy in Bengaluru; Editing by Chris Reese)