Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4906254-0 found under Contactor Assembly by Allis Chalmers Corp. The National Stock Number assigned to this part is 3930000191039, and the Federal Supply Class is 3930 Warehouse Trucks And Tractors Self-Propelled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 4906254-0.