Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0420166 found under Cable Assembly Special Purpose E by Fei Zyfer Inc. The National Stock Number assigned to this part is 5995016140915, and the Federal Supply Class is 5995 Cable Cord And Wire Assemblies Communication Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0420166.