Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 77B11551-1 found under Cable Assembly Radio Frequency by Drs Training And Control Systems Llc. The National Stock Number assigned to this part is 5995012383306, 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 77B11551-1.