Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2151-02-31-1002 found under Sending Unit Tachom by Vdo North America Llc. The National Stock Number assigned to this part is 6620010631441, and the Federal Supply Class is 6620 Engine Instruments. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2151-02-31-1002.