Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 64C1-G1G1G1G1K2K20SK found under Printed Circuit Board by Apex Signal Corporation. The National Stock Number assigned to this part is 5998015451925, and the Federal Supply Class is 5998 Electrical And Electronic Assemblies Boards Cards And Associated Hardware. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 64C1-G1G1G1G1K2K20SK.