Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AT605 found under Tip Heating by Smith Equipment Mfg Co Llc. The National Stock Number assigned to this part is 3433000069818, and the Federal Supply Class is 3433 Gas Welding Heat Cutting And Metalizing Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AT605.