Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1038-2973-12 found under Bearing Ball Annular by Norden Carl L Co Inc. The National Stock Number assigned to this part is 3110001835719, 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 1038-2973-12.