Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B2C58F1 found under Bushing Sleeve by A O Smith Corporation. The National Stock Number assigned to this part is 3120007668156, 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 B2C58F1.