Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PROLIANT 5500 6 200 512K 1-128 found under Computer Digital by Compaq Computer Corp. The National Stock Number assigned to this part is 7021014530434, and the Federal Supply Class is 7021 Adp Central Processing Unit Cpu Computer Digital. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like PROLIANT 5500 6 200 512K 1-128.