Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2405-170068 found under Knob by Fluke Electronics Corp. The National Stock Number assigned to this part is 5355000617852, and the Federal Supply Class is 5355 Knobs And Pointers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2405-170068.