M-497 M49-7.3728-18-30/50/-40+85 M49-7.3728-18-30/50/4085 M4972 M4972FP M4975FP M49-8.000-18-30/50/-40+85 M49-8.000-18-30/50/4085 M49810 M49-9.8304-18-30/50/-40+85