Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3429AS2147-1 found under Sighting Pole Base by Pre Machinc. The National Stock Number assigned to this part is 1710015752641, 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 3429AS2147-1.