WASHINGTON — White House economic adviser Larry Kudlow insisted Sunday that President Donald Trump won’t back off national security concerns after agreeing to allow U.S. companies to sell some components to Chinese telecommunications giant Huawei.

Kudlow told “Fox News Sunday” and CBS’ “Face the Nation” that Huawei will remain on an American blacklist as a potential security threat. He stressed that additional U.S. licensing “will be for what we call general merchandise, not national security sensitive,” such as chips and software generally available around the world.

“What’s happening now is simply a loosening up for general merchandise,” Kudlow said. “This is not a general amnesty.”

Trump made the announcement Saturday after meeting with China’s Xi Jinping at the Group of 20 summit in Japan. Trump said U.S. companies could make the sales if the transactions don’t present a “great, national emergency problem.”

Several Republican senators expressed concerns. In a tweet Saturday, Sen. Marco Rubio of Florida called the decision a “catastrophic mistake.” Sen. Lindsey Graham, R-S.C., told CBS that Trump’s agreement was “clearly a concession,” and also said it would be a mistake if sales to Huawei involved “major technology.”

American officials accuse Huawei of facilitating Chinese spying, a charge the company denies, and see it as a threat to U.S. tech industries.