Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ATSK3579 found under Pliers by U S Air Tool Co Inc. The National Stock Number assigned to this part is 5110015515356, and the Federal Supply Class is 5110 Hand Tools Edged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ATSK3579.