Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AG 46 K3 found under Nut Lock by Illinois Tool Works Inc. The National Stock Number assigned to this part is 5310004276549, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AG 46 K3.