brass and aluminum

[wireweld]

Will brass and aluminum coexist together or will one oxidize the other?
I have an aluminum fuel line that I would like to union and I have brass compression fittings that I would like to use.

 

[daredevil]

seems like it was done a lot on vintage planes. not 100 % sure though. this may help. http://www.engineersedge.com/galvanic_capatability.htm

 

[bOb shingler]

you'll be fine.