IME- there is VERY limited interchangeability between brands, and even within different generations of the same brand. To my knowledge, no two companies use the same spline pattern for splined sprockets, and while some may (MAY, not do) use the same thread in certain positions, the placement of shoulders, and other factors make the likelihood of correct fit near zero.

I remember that there was some (or complete) interchangeability between Everest and Regina freewheels, and between Atom, Maillard, and Normandy freewheels, but those are cases of different names for freewheels that were made in the same factory.