In this file photo, Iran's President Hassan Rouhani, center, shakes hands with Iraqi Prime Minister Nouri al-Maliki, during a meeting in December, 2013. Reuters reports that Iran has signed a deal to sell Iraq arms in violation of a UN embargo. AP Photo/Iranian Presidency Office, Mohammad Berno

Iran has signed a deal to sell Iraq arms and ammunition worth $195 million, according to documents seen by Reuters news agency — a move that would break a U.N. embargo on weapons sales by Iran.

The agreement was reached at the end of November, the documents showed, just weeks after Iraq's Prime Minister Nouri al-Maliki returned from Washington, where he lobbied the Obama administration for extra weapons to fight armed rebels.

The official documents seen by Reuters showed that six of eight contracts were signed with Iran's Defense Industries Organization to supply Iraq with light and medium arms, mortar launchers, ammunition for tanks as well as artillery and mortars.

A final two contracts were agreed to with the state-owned Iran Electronic Industries for night vision goggles, communications equipment and mortar guiding devices.

One of the contracts includes equipment to protect against chemical agents.

Some in Washington are nervous about providing sensitive U.S. military equipment to a country they worry is becoming too close to Iran. Several Iraqi legislators said Maliki had made the deal because he was fed up with delays to U.S. arms deliveries.

A spokesman for Maliki would not confirm or deny the sale, but said such a deal would be understandable given Iraq's current security troubles.

"We are launching a war against terrorism, and we want to win this war. Nothing prevents us from buying arms and ammunition from any party, and it's only ammunition helping us to fight terrorists," Ali Mussawi, the spokesman, said.

Three Iraqi legislators, who said they had knowledge of the deals, argued that they were due to Maliki's unhappiness with the U.S. response to his request to supply Iraq with arms and ammunition to fight armed groups.

The Iranian government denied any knowledge of a deal to sell arms to Iraq. It would be the first official arms deal between Shia Iran and Iraq's Shia-led government and highlight the growing bond between them in the two years since the departure of U.S. troops from Iraq.

One U.S. official, told of Reuters' findings, said such a deal could further complicate the Obama administration's approach to negotiating with Iran on easing international sanctions over its nuclear program, which the West suspects is aimed at producing bombs. Iran says its aims are purely peaceful.

"If true, this would raise serious concerns," the official, who declined to be named, said. "Any transfer of arms from Iran to a third country is in direct violation of Iran's obligations under UNSCR 1747 (U.N. Security Council resolution 1747)."

A U.N. diplomatic source close to the U.N. Security Council's Iran sanctions committee was aware of the arms deal and voiced concern about it, while declining to disclose details about those concerns. The source spoke to Reuters on condition of anonymity.

Reuters