Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 571L146PC54 found under Packing Ring Assemb by Dresser Rand Co. The National Stock Number assigned to this part is 2825004217501, 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 571L146PC54.