Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number J41820 found under Axle Railway by Orton Mccullough Crane Co. The National Stock Number assigned to this part is 2240007853669, and the Federal Supply Class is 2240 Locomotive And Rail Car Accessories And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like J41820.