Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number D405212 ITEM 27 found under Bearing Ball Annular by Harding Safety Usa Inc. The National Stock Number assigned to this part is 3110005543246, 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 D405212 ITEM 27.