2Apr WDC WD5000BMVW-11S5XS0 SPT and Head Number Head No. Lookup, WD HDD Heads & Platters HeadMaster Model: WDC WD5000BMVW-11S5XS0 SPT: 1437 Head number: 2, 0 1 SN: WD-WX21EB1TS859 Family: FIREBIRD PCB: 2060-771823-000