McMaster 44705K252 Low-Pressure 356 Aluminum Pipe Union Connector, 3 NPT Female, Class 150, Hex Body 3V555 Tin-plated copper barrel and contact

Tin-plated copper barrel and contact

Plier Jaw Style Straight Jaw Features Channellock Blue(R) Grips for Comfort

Pressure 200 psig Min

Body Diameter - Metric 56

McMaster 44705K252 Low-Pressure 356 Aluminum Pipe Union Connector, 3 NPT Female, Class 150, Hex Body 3V555 Tin-plated copper barrel and contactIn addition to being lightweight, these aluminum fittings offer good corrosion resistance. Use them in low pressure flow applications. To prevent cracking, do not tighten more than a 1 4 turn past hand tight. Union Fitting Union fittings separate into three pieces so you can access your line without unthreading pipe connections. Pressure Rating Low Pressure Shape Straight Fitting Type Connector, Union Fitting Connection NPT Female Pipe Size 3"