Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5001-3E-501 found under Fan Vaneaxial by Blowers Llc. The National Stock Number assigned to this part is 4140013063598, and the Federal Supply Class is 4140 Fans Air Circulators And Blower Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5001-3E-501.