FMSI > Fuel System > Compression Unions > Item # 3454 FMSIFMSI Fuel SystemFuel System Compression UnionsCompression Unions Item # 3454 Item # 3454, 3/8" High Pressure Steel Compression Union (5000psi) 34543/8" High Pressure Steel Compression Union (5000psi) Request Information Email This Page Download PDF Download PDF Printable Page /Asset/a1237.jpg /Asset/a1237.jpg Close Window - Compatible with all metal tubes - 5000 PSI burst pressure - 1200 PSI working pressure Unit of Measure Imperial Metric Both Specifications Tube Size N/A 3/8" Packaging N/A SP(1) HP(1) Package Type N/A Barrel Units Per Package N/A 1