Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B106019-0000 found under Transistor by Butler National Corporation. The National Stock Number assigned to this part is 5961005321503, 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 B106019-0000.