Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 16U14558L1-1 found under Extension Cable Kit Flight Contr by American Valley Aviation Inc. The National Stock Number assigned to this part is 4920010545643, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 16U14558L1-1.