Hi, my husband is a us citizen and not a resideny...

We would like to inform you that if the husband has UAE nationality and certified and has approval and permit from the UAE Ministry of Interior, then yes his son can get the nationality from his father as article 1 states that , and according to the below article :
Article 2:
A citizens by law is :
A. An Arab who was residing in a member Emirate in 1925 or before and who continued to reside therein up to the effective date of this law. Ancestors' residence shall be deemed complementary descendants residence.
B. Anyone born in the country or abroad to a father who is a citizen by law.
C. Anyone born in the country or abroad to a mother who is a citizen by law, whose fatherhood is not substantiated.
D. Anyone born in the country or abroad to a mother who is a citizen by law, whose father is unknown or without nationality.
E. Anyone born in the country to unknown parents. A founding shall be deemed to have been born in the country unless proved to be otherwise.
Therefore, if the above terms matched, then he can get citizenship from his father.