Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number LKWH00051M found under Washer Lock by Abb Inc. The National Stock Number assigned to this part is 5310016149581, 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 LKWH00051M.