Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number BB-39175 found under Kit by Diamond Reo Truck Co. The National Stock Number assigned to this part is 2530003834856, 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 BB-39175.