Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2A19170-1 found under Propeller Shaft Wit by Gkn Rockford Inc. The National Stock Number assigned to this part is 2520009445125, 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 2A19170-1.