Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 318951 found under Bushing Sleeve by Simpson Lawrence Ltd Johnson And Evi. The National Stock Number assigned to this part is 3120011867605, 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 318951.