SMC: AR30P-260S Panel Nut Brackets and Panel Nuts MPN: AR30P-260S Panel Nut Attributes: Additional Features: Improved Relief Sensitivity Available with Built-in Backflow Mechanism Optional Embedded Pressure Gauge Modular Type Regulator MFR Part No.: AR30P-260S Operating Temperature Range: -5 to 60°C Port Size: 3/8in 1/4in Pressure Gauge Port Size: 1/8in Pressure Range: 1bar Product Type: Panel Nut Weight Each: 0.66000g