Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 008443860-9 found under Bearing Thrust And Journal by Dresser Rand Co. The National Stock Number assigned to this part is 3110003993722, and the Federal Supply Class is 3110 Bearings Antifriction Unmounted. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 008443860-9.