Originally Posted by
RichardInSF
If you have time, you can purchase Suica/N'Ex deal during your layover at NRT. However, you almost certainly will only be allowed to buy one. If you have enough time, you could try to sneak by via buying one at the JR ticket window and then waiting in line at the tourist office for a second -- although they might well check.
They will only sell you a one-way version that starts at NRT or a round trip that starts at NRT. So I think this is a non-starter.
Better for the OP to get one for herself and her husband gets a SUICA from a railway station - without any special deals.