Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5120-00-203-9434 found under Clamp C by Walton Co The. The National Stock Number assigned to this part is 5120002036434, 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 5120-00-203-9434.