Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 79331F91 ITEM 1 found under Boccolaspecialeaman by Isotta Fraschini Motori Spa. The National Stock Number assigned to this part is 3120151141769, and the Federal Supply Class is 3120 Bearings Plain Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 79331F91 ITEM 1.