Hydraulic Work Support Lower Flange Bronze Steel Max Support Force 5 000 lb Stroke Length 3/8 in Pressure Range 700 to 5000 psi Retracted Height 3.53 in Body Thread 2-5/8 In.-20 Series WSL Plunger Contact Spring Force Extended 2.1 lb Plunger Contact Spring Force Retracted 19.5 lb Oil Capacity 0.19 cu in Max Oil Flow 190 cu in/min Oil Port Size #4 SAE Extended Height 3.8 in Outside Dia 2 5/8 in Plunger Dia 1.496 in Includes Contact Button Manifold Seal