2Apr WDC WD5000LPVT-22G33T0 SPT and Head Number Head No. Lookup, WD HDD Heads & Platters HeadMaster Model number: WDC WD5000LPVT-22G33T0 SN: WD-WX31A8257376 SPT: 1420 Head number: 2, 01 PCB: 2060-771852-004