Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 74447 found under Hub Impeller by Dressta North America Ltd. The National Stock Number assigned to this part is 2520008480576, 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 74447.