Islamabad, Pakistan – By the standards of mega arms deals, the $1.5bn deal for Pakistan to reportedly sell jets and weapons to Sudan’s military isn’t huge.But the deal, which the Reuters news agency reported in early January was close to being finalised, could prove pivotal in the grinding war that has devoured Sudan for nearly three years between the country’s armed forces and the paramilitary Rapid Support Forces (RSF).Recommended Stories list of 4 itemsend of listTens of thousands of people have been killed, millions have been displaced, and RSF troops have been accused of gang rapes – including of infants.The agreement under negotiation is only the latest in a series of moves by Pakistan in recent months that demonstrate the growing footprint of its military hardware and clout in the Arab world.Pakistan’s military has, over the past few years, sold jets to multiple countries in Asia and Africa, and is in talks with others. But in the Middle East, its military role has traditionally, for the most part, involved training forces of Arab allies.That’s now changing, with a spree of deals and negotiations that could turn Pakistan into a key security provider in some cases, and give it the ability to tip the balance in delicate conflicts in other instances.But analysts warn that divisions within the Arab world mean that Pakistan will need to tread carefully – or risk burning bridges with important partners.Saudi mutual defenceAnchoring this shift in Pak …