Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 330-0020-001 found under Fan Vaneaxial by M Systems. The National Stock Number assigned to this part is 4140016148479, 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 330-0020-001.