Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BB23417 found under Guide Valve Tappet by Diamond Reo Truck Co. The National Stock Number assigned to this part is 2815003642556, 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 BB23417.