Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ESC001KB 12 12SN found under Connector Plug Electrical by Rollsroyce Airlines. The National Stock Number assigned to this part is 5935012636858, and the Federal Supply Class is 5935 Connectors Electrical. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like ESC001KB 12 12SN.