Use theme options in custom permalinks

function pm_support_theme_options($uri) {
    $fields = array(
        'washers_soft', // %__washers_soft%
        'washers_hard', // %__washers_hard%
        'washers_front' // %__washers_front%
    );

    foreach($fields as $field) {
        if(strpos($uri, "%__{$field}%") !== false) {
            $field_value = get_option($field);

            $uri = str_replace("%__{$field}%", sanitize_title($field_value), $uri);
        }
    }

    return $uri;
}
add_filter('permalink_manager_filter_default_post_uri', 'pm_support_theme_options', 0, 3);
add_filter('permalink_manager_filter_default_term_uri', 'pm_support_theme_options', 0, 3);