An assembly having an outer component, an inner component, and a ring positioned between the outer component and the inner component, where the ring has at least one radially extending projection adapted to seat within at least one groove in the inner component or outer component, and where the projection is adapted to compress radially to allow rotational or axial movement between the inner component and the outer component upon application of rotational or axial force respectively to at least one of the inner component or the outer component.