Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 185000041A01 found under Ring Nut Special by Fincantieri Marine Systems North. The National Stock Number assigned to this part is 2815013515104, and the Federal Supply Class is 2815 Diesel Engines And Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 185000041A01.