Have a chris craft stinger 311 original tilt steering system with mercury marine rotary ride guide helm, does this use the same cable as acco steermaster?

Probably not,....

Try looking up Steermaster Mark II or Mark III cables. Most are discontinued, however there is a site that has them made up once a year. They sell what they have then you have to wait until their next run. Check you cable length, it should be on the cables sheathing.