Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number MS14198K8P found under Washer Key by National Aerospace Standards. The National Stock Number assigned to this part is 5310016578473, 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 MS14198K8P.