Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number X3C4821 01 found under Cable Assembly Radio Frequency by L 3 Communications Integrated. The National Stock Number assigned to this part is 5995016608255, 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 X3C4821 01.