The hex bushing allows you to connect two pipes of different sizes and connections together. General uses for this product are for transporting lubricant, oil, grease, LP gases and fuel or to create your own DIY projects. Generally used for lubricant, oil, grease, liquefied petroleum (LP) gas, natural gases (nitrogen, oxygen, etc.), steam and diesel. 150-lb class malleable fittings. Relative softness of metal helps provide a sure seal. This fitting works up to 500 PSI at 150F. Threaded ends meeting with ANSI/ASME B1.20.1 standards. Sub Type: Bushing. Type: Fitting. Diameter (End 1): 3/8-in. Diameter (End 2): 1/4-in. Weight (lbs.): 0.04. Code Approvals: Malleable Fittings: ASME B16.3; Threads: SME B1.20.1. Common Use: Natural gas and oil. Connection Type (End 1): Male. Connection Type (End 2): Female. Material: Iron. Maximum Pressure: 300 PSI. Maximum Working Temperature (Fahrenheit): 185. Minimum Working Temperature (Fahrenheit): -29. Package Quantity: 1. Threaded: Threaded both ends. CA Residents: Prop 65 Warning(s): Yes. UNSPSC: 40171500.