Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 600337-713-001 found under Universal Joint Veh by Mackay Communications Inc. The National Stock Number assigned to this part is 2520014090111, and the Federal Supply Class is 2520 Vehicular Power Transmission Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 600337-713-001.