Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51517-1200 found under Base Mounting Contr by Lucas Aerospace Power Equipment. The National Stock Number assigned to this part is 6110003293687, and the Federal Supply Class is 6110 Electrical Control Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 51517-1200.