Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number G-22257-16 found under Nozzle Oil Burner Pressure Atomi by Stafford Machinery Corp. The National Stock Number assigned to this part is 4530012898384, 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 G-22257-16.