Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 6443984-01M1 found under Washer Flat by Ogara Hess And Eisenhardt Armoring. The National Stock Number assigned to this part is 5310015887328, 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 6443984-01M1.