AKA: S5.53. Status: Out of Production. Date: 1962-67. Thrust: 4.09 kN (919 lbf). Specific impulse: 280 s. Height: 1.14 m (3.73 ft). Diameter: 2.50 m (8.20 ft).
Chamber Pressure: 39.20 bar. Propellant Formulation: AK27I/UDMH. Oxidizer to Fuel Ratio: 1.85.