VPVL250SR4/5BD JAMESBURY RACK & PINION PNEUMATIC SPRING RETURN ACTUATOR, HARD ANODIZED PTFE COATED BODY, POLYESTER COATED END CAPS, AND EPOXY COATED SPRINGS, ALONG WITH EXTERNAL STAINLESS STEEL FASTENERS & VISUAL INDICATOR, FOR 60 PSIG AIR SUPPLY. ISO 5211: F05 + F07 FSQ 19MM (0.75), NAMUR: 30X80X20, FNPT 1/8" METSO # MA0126201