Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 51.02405-1003 found under Bearing Sleeve by Man Truck And Bus Ag. The National Stock Number assigned to this part is 3120121698471, 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 51.02405-1003.