Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number TU3164 found under Knob by Cissell Manufacturing Company. The National Stock Number assigned to this part is 5355013138199, 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 TU3164.