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