Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number NAU13004-6-6QD found under Adapter Kit Test by Cobra Systems Inc. The National Stock Number assigned to this part is 4920016189671, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like NAU13004-6-6QD.