Lifecycle read: eol_hot and what that means at the BOM
The 1FK7042-5AF71-1AA2: Lifecycle stage is recorded as eol_hot — the part has crossed out of normal production stock into the phase-out tail. For a procurement line that means the standard Siemens factory channel is no longer the supply path; the realistic source is independent distribution holding boxed inventory, and pricing moves with lot quantity rather than a published price list. No official successor MPN is on the record for this seed, so a drop-in replacement from the same family is not something that can be asserted here — any swap into a successor frame, a different stack length, or a different feedback type would be a real engineering change, not a substitution.