Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1224 02 found under Knob by Nec Aero. The National Stock Number assigned to this part is 5355143023954, 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 1224 02.