NF3UK8MA-RS NF4K8AB-8EKRS NF4K8AB-RS NF4K8AC-8EKRS NF4K8AC-RS-1.0 NF4SK8AA-8EKRS NF4SLI7AA-8KRS2 NF4UK8AA-8EKRS NF4XK8MC-RS NFPIK8AA-8EKRS