McMaster 98381A578 Dowel Pin, Pack of 25, Alloy Steel, 5 16" Diameter, 1 2" Long 4WFR6 Connection Location Lower Item Fire Connection Location Lower Item Fire Sprinkler System Pressure Gauge Gauge Application Fire Sprinkler Systems Range 0 to 300 psi Accuracy + 3 2 3% Material ABS Color Black Gauge Primary Range Values 0 to 300 Gauge Primary Range Units psi Gauge Connection Type MNPT Basic Gauge Case Material Plastic Case Color Black Gauge Lens Material Polycarbonate Gauge Case Color Black Liquid Filled No Gauge Panel Mountable No Gauge Sensor Material Phosphor Bronze Calibration Certificate Included No Gauge Case Material ABS Plastic Gauge Primary Range Smallest Graduation 5 Basic Gauge Wetted Parts Brass Bronze Pressure and Vacuum Gauge Type Pressure Gauge Basic Gauge Socket Material Brass Gauge Accuracy + 3 2 3% Smallest Graduation 5 psi Series 1005P Basic Gauge Lens Material Plastic Basic Gauge Sensor Material Bronze Operating Temp Range 40 Degrees to 140 Degrees F Thickness (Nominal) 13 32 in Number of Bands 1 Belt Material Polybutadiene Maximum Operating Temperature 140 Degrees F Minimum Operating Temperature 40 Degrees F Resistance Properties Heat Resistant slip free fit Sold in packs of 25