Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C555-0013 found under Clutch Assembly Friction by Woods T B Sons Co. The National Stock Number assigned to this part is 3010010453954, 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 C555-0013.