Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SS04023001-03 found under Socket Wrench Face Spanner by J And P Khamken Industries Inc. The National Stock Number assigned to this part is 5120013643917, 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 SS04023001-03.