Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DL2-1-313BF found under Clutch Elevation by The Hilliard Corporation. The National Stock Number assigned to this part is 3010012227788, and the Federal Supply Class is 3010 Torque Converters And Speed Changers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like DL2-1-313BF.