Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KTBX11-6900 found under Remover Set Electrical Contact by Contact Service Tool Inc. The National Stock Number assigned to this part is 5120007653688, 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 KTBX11-6900.