Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number A02R1730-1 found under Nut Assembly Rotor Blade by B And R Machine And Tool Corp. The National Stock Number assigned to this part is 1615010695419, 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 A02R1730-1.