Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 616-01 found under Nut Special by Norgren C A Co. The National Stock Number assigned to this part is 5310012909985, and the Federal Supply Class is 5310 Nuts And Washers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 616-01.