The pots in that dimarzio diagram are single gang push-pulls for the volumes. This gives you a series parallel switch for each pickup. The tone is a regular single gang pot.
Those bourns one's will be fine. And pretty good quality too. 16mm push-pulls like that will fit 99% of passive basses. You may need to ream the holes to take the 3/8" bushing, plus if your knobs are fastened with grub screws, you should use those brass adaptor sleeves so you don't crush the shafts.