Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HW1001A25 found under Washer Lock by Baldor Electric Company. The National Stock Number assigned to this part is 5310012917253, 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 HW1001A25.