Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 051500066 found under Ball Bearing by L 3 Communications Elac Nautik Gmbh. The National Stock Number assigned to this part is 3110121244284, 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 051500066.