Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CMPZ5243B found under Semiconductor Devic by Central Semiconductor Corp. The National Stock Number assigned to this part is 5961014806798, and the Federal Supply Class is 5961 Semiconductor Devices And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CMPZ5243B.