Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 401663 found under Bearing Plain Spherical by Nse Industries. The National Stock Number assigned to this part is 3120014063391, 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 401663.