Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number E65 0013 631 found under Knob by Harris Corp. The National Stock Number assigned to this part is 5355013603128, 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 E65 0013 631.