Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RT49PBW00000AAG found under Fan Vaneaxial by Northern Telecom Europe Ltd Integrat. The National Stock Number assigned to this part is 4140013319281, 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 RT49PBW00000AAG.