Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 57A34-384 found under Yoke Clutch by Navair And Navsea Managed. The National Stock Number assigned to this part is 2520003086054, 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 57A34-384.