Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 518958 found under Parts Kit Coupling Rigid Shaft by Kongsberg Maritime Sweden Ab. The National Stock Number assigned to this part is 3010014225143, 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 518958.