Parker A4N0231D1K Piston Accumulators; Fluid Capacity: 231; Charged: Yes; Overall Length (Decimal Inch): 25.1900; Gas Capacity: 241 oz; 241 in3; Port Thread Size: SAE #20; Port Thread Size SAE: SAE #20; 11.4 mm; 0.45 in; Maximum Flow Rate: 1504 l/min