Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 579 1523 found under Transfer Case Assem by American Coleman Company The. The National Stock Number assigned to this part is 2520009838280, 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 579 1523.