Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K10055603-505 found under Cable Assemblyspecial Purposee by L3 Communications Corp. The National Stock Number assigned to this part is 5995016909348, 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 K10055603-505.