Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2C4L found under Nozzle Welding by Conley And Kleppen Enterprises. The National Stock Number assigned to this part is 3431013391233, and the Federal Supply Class is 3431 Electric Arc Welding Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2C4L.