Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 517-060 found under Pointer Dial by Simplex Time Recorder Llc. The National Stock Number assigned to this part is 5355013639694, 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 517-060.