Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SDD-16019 PIECE found under Bearing Ball Annular by Siemens Demag Delaval Turbomachi. The National Stock Number assigned to this part is 3110000976353, 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 SDD-16019 PIECE.