Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 423015 found under Keeper Governor Spr by Dresser Rand Co. The National Stock Number assigned to this part is 2825008035503, and the Federal Supply Class is 2825 Steam Turbines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 423015.