Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DS0073 found under Shaft Shouldered by Emerson Electric Co. The National Stock Number assigned to this part is 3040012330806, 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 DS0073.