Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LIPITOR 20 MG 84 COMP found under Atorvastatin Calciu by Pfizer Inc. The National Stock Number assigned to this part is 6505014598251, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like LIPITOR 20 MG 84 COMP.