Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5801 3-8X3-8 found under Coupling Shaft Flexible by Acushnet Rubber Company Inc. The National Stock Number assigned to this part is 3010003116460, 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 5801 3-8X3-8.