Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number XE 4500 found under Computer System Digital by Seagate Technology. The National Stock Number assigned to this part is 7010015045191, and the Federal Supply Class is 7010 Adpe System Configuration. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like XE 4500.