Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6480-38PIECE657 found under Bearing Roller Cyli by Davies Associates. The National Stock Number assigned to this part is 3110012086647, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 6480-38PIECE657.