Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S6137-64329-002 found under Damper Tube Assembly by W And G Machine Co Inc. The National Stock Number assigned to this part is 1615010921988, and the Federal Supply Class is 1615 Helicopter Rotor Blades Drive Mechanisms And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S6137-64329-002.