Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number N290X found under Bearing Plain Self Aligning by O And S Acquistion Llc. The National Stock Number assigned to this part is 3120003475826, 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 N290X.