Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PC 031 057 042 024 found under Cable Assemblyradio Frequency by Mac Panel Co. The National Stock Number assigned to this part is 5995016772631, 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 PC 031 057 042 024.