Does anyone know if the freehub on the lower end disk hubs have the same hub interface Shimano's been using for decades?

Looks the same to me.
http://www.shimano.com/media/techdoc...9830728374.pdf

I'm thinking I can use a NIB 7sp Deore freehub from my stash to cheat enough space to make a 130mm disc rear wheel.

THX