Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number DEE 4 20 12KV 3PH 480V ITEM 33 found under Bearing Ball Annular by Dover Corp. The National Stock Number assigned to this part is 3110014236206, 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 DEE 4 20 12KV 3PH 480V ITEM 33.