Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BZY59 found under Semiconductor Elect by Abb Ltd. The National Stock Number assigned to this part is 5961008389117, 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 BZY59.