Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 003145T found under Cone And Rollers Tapered Roller by Kovatch Corp. The National Stock Number assigned to this part is 3110001982280, 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 003145T.