SMC's series NCM-X6009 utilizes the same quality features and is dimensionally interchangeable with the NCM standard series.  NCM-X6009's external components are all 303/304 stainless steel.  The series is available in 6 bore sizes and with auto switch capability.  Options include food grade grease, viton wiper, viton seals and a urethane cushion.  High and low temperature options are also available on models without auto switch magnet and/or the urethane cushion.