Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 70085-1010-421 found under Speed Sensor Diesel Engine by Ai Tek Instruments Llc. The National Stock Number assigned to this part is 2815016704710, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 70085-1010-421.