Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 83406B found under Shaft Shouldered by Dw Hercules Llc. The National Stock Number assigned to this part is 3040001482073, 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 83406B.