Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B012-1 found under Insulator Disk by Zodiac Aero Electric. The National Stock Number assigned to this part is 5970143069849, and the Federal Supply Class is 5970 Electrical Insulators And Insulating Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like B012-1.