Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AES10R-280 found under Nut Self Locking Bl by Atlas Engineering Co Inc. The National Stock Number assigned to this part is 5310015196865, 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 AES10R-280.