Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GK420 found under Printing Machinelabel by Itel Impianti Telefonici Elettricie. The National Stock Number assigned to this part is 7490016874339, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GK420.