NO.
Egypt the biggest arab force, and one of three powerful power in the Middle east doesn't want to ruin its relation with Iran. Egypt sees confrontration with Iran as unnecessary, and make no sense.
Egypt said to US it doesn't want to be part of that Arab nato.
When Egypt and several Foreign minister of Israel; UAE Morroco, US, and Bahrain meet up, Egypt immedietly stated that it was only to push peace talks, nothing else.
UAE
It was the most who was buttyclapping for Israel, went and cried in Israeli memorial site for the falling soldiers, open UAE wide open for Israeli intellegence and militry cooperation, but 2 days ago sent foreign minister to Iran saying it doesn't want to ruin its relation with Iran and want a long lasting relation with Iran and doesn't want to FORM any org against Iran.
Iraq and Yemen are owned by Iran
Bahrian is smaller than Washington DC
Qatar was saved by Iran market and Turkey when the arab gulf almost invaded her, and Qatar is more mature when it comes to foreign policy and who and when to act.
Morocco and Algeria have good relations with Iran, and they are far from being Arab Nato, for them being distance and Algeria cant sent soldiers outside its borders.
Sudan, I don't what to say here, you can't tell anything, it is in crisis so..
Only Saudia left, it is the country to want Iran defeated and work for it, but it is dumb with a lot of money, that is their problem.
Arab NATO is a joke and would not work.