Part 0231A64M is compatible in the following Models:

HPE MSR50 Series

HPE A-MSR50-40 DC Multi-Service Router - JF285A
HPE MSR50-60 Rtr Chassis w DC PwrSupply - JF640A

HPE Networking Router Power Supplies

HPE MSR 50 DC PSU MODULE - H3C - JF443A