Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1388645 found under Bearing Thrust And Journal by Westinghouse Electric Corp. The National Stock Number assigned to this part is 3110003090018, 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 1388645.