Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 50321AC found under Carrier W Bearing by Nacco Materials Handling Group Inc. The National Stock Number assigned to this part is 2520003792786, 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 50321AC.