G3996 Industrial Pressure Gauge Accuracy +/-1.0 Percent Gauge Case Material Nylon Nominal Dial Size 4 1/2 in Lens Material Tempered Glass IP/NEMA Rating Not Rated Hazardous Location Rating Not Rated Compatible Process Media Non-Explosive Gas Or Liquid That Do Not Crystalize And Corrode Copper Alloy Sensor Material Copper Alloy Socket Material Copper Alloy HPb59-1 Process Connection Type NPT Process Connection Gender Male Process Connection Location Bottom Process Connection Size 1/4 in