Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3ZH50 found under Bender Set Tube Hand by Grainger Div Of W W Grainger Inc. The National Stock Number assigned to this part is 5120002930019, 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 3ZH50.