Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number ES159-8 found under Shaft Straight by Waldon Inc. The National Stock Number assigned to this part is 3040005071446, 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 ES159-8.