Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5040 found under Tractor Wheeled Agr by Allis Chalmers Corp. The National Stock Number assigned to this part is 2420010837850, and the Federal Supply Class is 2420 Tractors Wheeled. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5040.