Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number B5305 found under Plate Intermediate Friction Clut by Twin Disc Incorporated. The National Stock Number assigned to this part is 3010000016188, 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 B5305.