Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 488 4139-022 found under Shaft Shouldered by Cargotec Sweden Ab Macgregor Cranes. The National Stock Number assigned to this part is 3040014936897, and the Federal Supply Class is 3040 Miscellaneous Power Transmission Equipment. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 488 4139-022.