VPVL450SR6BD 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 80 PSIG AIR SUPPLY. ISO 5211: F10 + F12 FSQ 27MM (1.06), NAMUR: 30X80X30, FNPT 1/4" METSO # MA0126218