Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number C20C1 found under Key Railway Car Brake Shoe by Coltec Industries Inc. The National Stock Number assigned to this part is 2240004172254, 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 C20C1.