Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2-2-164T0171 found under Case Field Artillery Topographic by Mm Reif Ltd. The National Stock Number assigned to this part is 6675006945191, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2-2-164T0171.