Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 2304-0073 found under Nozzle Holder Welding by Cni Ceramic Nozzles Inc. The National Stock Number assigned to this part is 2910005041796, and the Federal Supply Class is 2910 Engine Fuel System Components Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 2304-0073.