Clevis foot Mounting CRLNG-63 Corrosion resistant, for cylinders CRDNGS. Size=63, Based on the standard=ISO 15552 (previously also VDMA 24652, ISO 6431, NF E49 003.1, UNI 10290), Assembly Position=Any, Corrosion resistance classification CRC=4, Ambient temperature=-40 - 80 °C