Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3331606 found under Guide Engine Poppet Valve Tappet by Aar Powerboss Inc. The National Stock Number assigned to this part is 2815014977298, 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 3331606.