Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42730 found under External Drv Shaft by Parker Hannifin Ltd. The National Stock Number assigned to this part is 2915015778108, and the Federal Supply Class is 2915 Engine Fuel System Components Aircraft And Missile Prime Movers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42730.