Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 217258 found under Clutch Sliding Tran by Clark Equipment Co. The National Stock Number assigned to this part is 2520000185781, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 217258.