Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 4A40716-3-80D found under Washer Flat by Motorola Ltd. The National Stock Number assigned to this part is 5310002970462, 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 4A40716-3-80D.