Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A3240558 found under Ring Piston by Striegel Supply Inc. The National Stock Number assigned to this part is 2815002730429, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like A3240558.