Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 771 7520 found under Filter Element Flui by Ruggerini Motori Spa. The National Stock Number assigned to this part is 2910151630153, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 771 7520.