Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 15831N18 found under Bushing Bearing by Curtiss Wright Corp. The National Stock Number assigned to this part is 3120016002230, 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 15831N18.