Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2304-0068 found under Collet Holder Welding by Cni Ceramic Nozzles Inc. The National Stock Number assigned to this part is 3431005041795, 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 2304-0068.