K4567 Pressure Gauge Dial Size 4 in Range 0 to 10 000 psi Connection Size 1/2 in NPTF Connection Location Lower Smallest Graduation 100 psi Accuracy +/-1 Percent Case Material 304 Stainless Steel Case Color Silver Socket Material Copper Alloy Tube Material Copper Alloy Filled With Glycerine Lens Material Safety Glass Ring Material Polished Stainless Steel Operating Temp Range -4 Degrees F to 140 Degrees F Required Gauge Adapter GA2 For Use With RC-5 Series GF