Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 0E42 found under Idler Assy Rh Track by Allis Chalmers Corp. The National Stock Number assigned to this part is 2530007069081, and the Federal Supply Class is 2530 Vehicular Brake Steering Axle Wheel And Track Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 0E42.