Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS04023020-10 found under Adapter Torque Wrench by J And P Khamken Industries Inc. The National Stock Number assigned to this part is 5120014976555, 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 SS04023020-10.