That's a snippet from the output of "show version".
The "show inventory" command will give you a part number. e.g.:
HQ-ACE-2/Admin# sh inv
NAME: "chassis", DESCR: "ACE 4710 Application Control Engine Appliance"
PID: ACE-4710-K9 , VID: V03, SN: xxxxxxxxxxx
HQ-ACE-2/Admin#