This part is discontinued and is no longer available.
However, for part AS435025: FU856T825 is a potential alternative. This alternative has 2 additional rollers, so additional keeps are required.
For part AS435030: FU856T130 is a potential alternative. This has 2 additional rollers, so additional keeps are required. Otherwise, the lock is a good match with minimal work required to the door. Part: FU856T830 is also a potential alternative. Similar product different brand. Also has 2 rollers so will need 2 x roller keeps