Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number Q6004L4 found under Transistor by Teccor Electronics Inc. The National Stock Number assigned to this part is 5961014081061, 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 Q6004L4.