Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number R107D found under Inserter Bearing And Bushing by Alcoa Fastening Systems Ltd. The National Stock Number assigned to this part is 5120007082643, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like R107D.