Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5B3032 found under Adjusting Tool Brake Shoe by Caterpillar Inc. The National Stock Number assigned to this part is 5120004265165, and the Federal Supply Class is 5120 Hand Tools Nonedged Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5B3032.