Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5C8-04588 found under Insert Flexible Cou by Oldenburg Group Incorporated. The National Stock Number assigned to this part is 3010014110010, 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 5C8-04588.