Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number W1247-3 found under Spider Differential by Liberty Ventures Inti Llc. The National Stock Number assigned to this part is 2520002198231, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like W1247-3.