Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ECG 108 found under Transistor by General Dynamics C4 Systems Inc. The National Stock Number assigned to this part is 5961009518756, 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 ECG 108.