Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K5030090 found under Fan Centrifugal by Barcoview Llc. The National Stock Number assigned to this part is 4140015451853, 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 K5030090.