Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3Z917 found under Drilling Machine Upright by Grainger W W Inc. The National Stock Number assigned to this part is 3413014780267, and the Federal Supply Class is 3413 Drilling And Tapping Machines. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3Z917.