Diaphragm Accumulator, Fluid Volume 5 cu in, Vent Diameter 5 cu in, Max. Flow 11 gpm, Max. Pressure 3,600 psi, Shell Material - Accumulators Steel, Diaphragm Material - Accumulators Hydrin, Diameter 2.52 in, Overall Height 4.35 in, Inlet Port Thread Size SAE #6, Hydraulic Fluid Port Dash Size -6, Pre-Charged No, Operating Temp. Range -40 to 176 Degrees F