JCS4N90VH JCS4N90VH-251 JCS50N06CH JCS50N06CH-220C JCS50N06CH-O-C-N-B JCS50N06CH-VB JCS50N06FH JCS50N06FH-O-F-N-B JCS50N06RH JCS50N06RH-O-R-N-B