Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 660-0011 found under Bushing by Ddc Pertec Peripherals Corp. The National Stock Number assigned to this part is 3120010403256, 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 660-0011.