Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 279703-3 found under Knob by Bma Buizza Mazzei Agency Srl. The National Stock Number assigned to this part is 5355016106165, 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 279703-3.